interval.d - OpenGrok cross reference for /netbsd-src/external/gpl3/gcc.old/dist/libphobos/src/std/datetime/interval.d

Lines Matching refs:Date
256         assert(Interval!Date(Date(1996, 1, 2), Date(1996, 1, 2)).empty);  in Interval()
257         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).empty);
278         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).contains(
279                     Date(1994, 12, 24)));
281         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).contains(
282                     Date(2000, 1, 5)));
283         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).contains(
284                     Date(2012, 3, 1)));
306         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).contains(
307                     Interval!Date(Date(1990, 7, 6), Date(2000, 8, 2))));
309         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).contains(
310                     Interval!Date(Date(1999, 1, 12), Date(2011, 9, 17))));
312         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).contains(
313                     Interval!Date(Date(1998, 2, 28), Date(2013, 5, 1))));
342         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).contains(
343                     PosInfInterval!Date(Date(1999, 5, 4))));
369         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).contains(
370                     NegInfInterval!Date(Date(1996, 5, 4))));
393         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isBefore(
394                     Date(1994, 12, 24)));
396         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isBefore(
397                     Date(2000, 1, 5)));
399         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isBefore(
400                     Date(2012, 3, 1)));
423         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isBefore(
424                     Interval!Date(Date(1990, 7, 6), Date(2000, 8, 2))));
426         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isBefore(
427                     Interval!Date(Date(1999, 1, 12), Date(2011, 9, 17))));
429         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isBefore(
430                     Interval!Date(Date(2012, 3, 1), Date(2013, 5, 1))));
454         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isBefore(
455                     PosInfInterval!Date(Date(1999, 5, 4))));
457         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isBefore(
458                     PosInfInterval!Date(Date(2013, 3, 7))));
484         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isBefore(
485                     NegInfInterval!Date(Date(1996, 5, 4))));
508         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAfter(
509                     Date(1994, 12, 24)));
511         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAfter(
512                     Date(2000, 1, 5)));
514         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAfter(
515                     Date(2012, 3, 1)));
538         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAfter(
539                     Interval!Date(Date(1990, 7, 6), Date(2000, 8, 2))));
541         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAfter(
542                     Interval!Date(Date(1999, 1, 12), Date(2011, 9, 17))));
544         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAfter(
545                     Interval!Date(Date(1989, 3, 1), Date(1996, 1, 2))));
572         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAfter(
573                     PosInfInterval!Date(Date(1999, 5, 4))));
596         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAfter(
597                     NegInfInterval!Date(Date(1996, 1, 2))));
619         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersects(
620                     Interval!Date(Date(1990, 7, 6), Date(2000, 8, 2))));
622         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersects(
623                     Interval!Date(Date(1999, 1, 12), Date(2011, 9, 17))));
625         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersects(
626                     Interval!Date(Date(1989, 3, 1), Date(1996, 1, 2))));
649         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersects(
650                     PosInfInterval!Date(Date(1999, 5, 4))));
652         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersects(
653                     PosInfInterval!Date(Date(2012, 3, 1))));
675         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersects(
676                     NegInfInterval!Date(Date(1996, 1, 2))));
678         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersects(
679                     NegInfInterval!Date(Date(2000, 1, 2))));
701         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersection(
702                     Interval!Date(Date(1990, 7, 6), Date(2000, 8, 2))) ==
703                Interval!Date(Date(1996, 1 , 2), Date(2000, 8, 2)));
705         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersection(
706                     Interval!Date(Date(1999, 1, 12), Date(2011, 9, 17))) ==
707                Interval!Date(Date(1999, 1 , 12), Date(2011, 9, 17)));
736         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersection(
737                     PosInfInterval!Date(Date(1990, 7, 6))) ==
738                Interval!Date(Date(1996, 1 , 2), Date(2012, 3, 1)));
740         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersection(
741                     PosInfInterval!Date(Date(1999, 1, 12))) ==
742                Interval!Date(Date(1999, 1 , 12), Date(2012, 3, 1)));
768         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersection(
769                     NegInfInterval!Date(Date(1999, 7, 6))) ==
770                Interval!Date(Date(1996, 1 , 2), Date(1999, 7, 6)));
772         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersection(
773                     NegInfInterval!Date(Date(2013, 1, 12))) ==
774                Interval!Date(Date(1996, 1 , 2), Date(2012, 3, 1)));
801         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAdjacent(
802                     Interval!Date(Date(1990, 7, 6), Date(1996, 1, 2))));
804         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAdjacent(
805                     Interval!Date(Date(2012, 3, 1), Date(2013, 9, 17))));
807         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAdjacent(
808                     Interval!Date(Date(1989, 3, 1), Date(2012, 3, 1))));
832         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAdjacent(
833                     PosInfInterval!Date(Date(1999, 5, 4))));
835         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAdjacent(
836                     PosInfInterval!Date(Date(2012, 3, 1))));
859         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAdjacent(
860                     NegInfInterval!Date(Date(1996, 1, 2))));
862         assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAdjacent(
863                     NegInfInterval!Date(Date(2000, 1, 2))));
885         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).merge(
886                     Interval!Date(Date(1990, 7, 6), Date(2000, 8, 2))) ==
887                Interval!Date(Date(1990, 7 , 6), Date(2012, 3, 1)));
889         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).merge(
890                     Interval!Date(Date(2012, 3, 1), Date(2013, 5, 7))) ==
891                Interval!Date(Date(1996, 1 , 2), Date(2013, 5, 7)));
920         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).merge(
921                     PosInfInterval!Date(Date(1990, 7, 6))) ==
922                PosInfInterval!Date(Date(1990, 7 , 6)));
924         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).merge(
925                     PosInfInterval!Date(Date(2012, 3, 1))) ==
926                PosInfInterval!Date(Date(1996, 1 , 2)));
952         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).merge(
953                     NegInfInterval!Date(Date(1996, 1, 2))) ==
954                NegInfInterval!Date(Date(2012, 3 , 1)));
956         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).merge(
957                     NegInfInterval!Date(Date(2013, 1, 12))) ==
958                NegInfInterval!Date(Date(2013, 1 , 12)));
986         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).span(
987                     Interval!Date(Date(1990, 7, 6), Date(1991, 1, 8))) ==
988                Interval!Date(Date(1990, 7 , 6), Date(2012, 3, 1)));
990         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).span(
991                     Interval!Date(Date(2012, 3, 1), Date(2013, 5, 7))) ==
992                Interval!Date(Date(1996, 1 , 2), Date(2013, 5, 7)));
1021         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).span(
1022                     PosInfInterval!Date(Date(1990, 7, 6))) ==
1023                PosInfInterval!Date(Date(1990, 7 , 6)));
1025         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).span(
1026                     PosInfInterval!Date(Date(2050, 1, 1))) ==
1027                PosInfInterval!Date(Date(1996, 1 , 2)));
1051         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).span(
1052                     NegInfInterval!Date(Date(1602, 5, 21))) ==
1053                NegInfInterval!Date(Date(2012, 3 , 1)));
1055         assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).span(
1056                     NegInfInterval!Date(Date(2013, 1, 12))) ==
1057                NegInfInterval!Date(Date(2013, 1 , 12)));
1082         auto interval1 = Interval!Date(Date(1996, 1, 2), Date(2012, 4, 5));
1083         auto interval2 = Interval!Date(Date(1996, 1, 2), Date(2012, 4, 5));
1086         assert(interval1 == Interval!Date(Date(1996, 2, 21), Date(2012, 5, 25)));
1089         assert(interval2 == Interval!Date(Date(1995, 11, 13), Date(2012, 2, 15)));
1132             auto interval1 = Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1));
1133             auto interval2 = Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1));
1136             assert(interval1 == Interval!Date(Date(1998, 1, 2), Date(2014, 3, 1)));
1139             assert(interval2 == Interval!Date(Date(1994, 1, 2), Date(2010, 3, 1)));
1179         auto interval1 = Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1));
1180         auto interval2 = Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1));
1183         assert(interval1 == Interval!Date(Date(1994, 1, 2), Date(2014, 3, 1)));
1186         assert(interval2 == Interval!Date(Date(1998, 1, 2), Date(2010, 3, 1)));
1257             auto interval1 = Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1));
1258             auto interval2 = Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1));
1261             assert(interval1 == Interval!Date(Date(1994, 1, 2), Date(2014, 3, 1)));
1264             assert(interval2 == Interval!Date(Date(1998, 1, 2), Date(2010, 3, 1)));
1378         auto interval = Interval!Date(Date(2010, 9, 1), Date(2010, 9, 9));
1379         auto func = delegate (in Date date) // For iterating over even-numbered days.
1389         assert(range.front == Date(2010, 9, 1));
1392         assert(range.front == Date(2010, 9, 2));
1395         assert(range.front == Date(2010, 9, 4));
1398         assert(range.front == Date(2010, 9, 6));
1401         assert(range.front == Date(2010, 9, 8));
1472         auto interval = Interval!Date(Date(2010, 9, 1), Date(2010, 9, 9));
1473         auto func = delegate (in Date date) // For iterating over even-numbered days.
1483         assert(range.front == Date(2010, 9, 9));
1486         assert(range.front == Date(2010, 9, 8));
1489         assert(range.front == Date(2010, 9, 6));
1492         assert(range.front == Date(2010, 9, 4));
1495         assert(range.front == Date(2010, 9, 2));
1595     assertThrown!DateTimeException(Interval!Date(Date(2010, 1, 1), Date(1, 1, 1)));
1597     Interval!Date(Date.init, Date.init);
1605     Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1));
1606 …assert(Interval!Date(Date(1996, 1, 2), dur!"weeks"(3)) == Interval!Date(Date(1996, 1, 2), Date(199…
1607 …assert(Interval!Date(Date(1996, 1, 2), dur!"days"(3)) == Interval!Date(Date(1996, 1, 2), Date(1996…
1623     assert(Interval!Date(Date(1, 1, 1), Date(2010, 1, 1)).begin == Date(1, 1, 1));
1624     assert(Interval!Date(Date(2010, 1, 1), Date(2010, 1, 1)).begin == Date(2010, 1, 1));
1625     assert(Interval!Date(Date(1997, 12, 31), Date(1998, 1, 1)).begin == Date(1997, 12, 31));
1627     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
1628     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
1629     assert(cInterval.begin == Date(2010, 7, 4));
1630     assert(iInterval.begin == Date(2010, 7, 4));
1633     assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).begin == Date(1996, 1, 2));
1641     assert(Interval!Date(Date(1, 1, 1), Date(2010, 1, 1)).end == Date(2010, 1, 1));
1642     assert(Interval!Date(Date(2010, 1, 1), Date(2010, 1, 1)).end == Date(2010, 1, 1));
1643     assert(Interval!Date(Date(1997, 12, 31), Date(1998, 1, 1)).end == Date(1998, 1, 1));
1645     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
1646     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
1647     assert(cInterval.end == Date(2012, 1, 7));
1648     assert(iInterval.end == Date(2012, 1, 7));
1651     assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).end == Date(2012, 3, 1));
1660     assert(Interval!Date(Date(2010, 1, 1), Date(2010, 1, 1)).length == dur!"days"(0));
1661     assert(Interval!Date(Date(2010, 1, 1), Date(2010, 4, 1)).length == dur!"days"(90));
1668     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
1669     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
1674     assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).length == dur!"days"(5903));
1683     assert(Interval!Date(Date(2010, 1, 1), Date(2010, 1, 1)).empty);
1684     assert(!Interval!Date(Date(2010, 1, 1), Date(2010, 4, 1)).empty);
1689     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
1690     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
1695     assert(Interval!Date(Date(1996, 1, 2), Date(1996, 1, 2)).empty);
1696     assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).empty);
1704     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
1706 …assertThrown!DateTimeException(Interval!Date(Date(2010, 7, 4), dur!"days"(0)).contains(Date(2010, …
1708     assert(!interval.contains(Date(2009, 7, 4)));
1709     assert(!interval.contains(Date(2010, 7, 3)));
1710     assert(interval.contains(Date(2010, 7, 4)));
1711     assert(interval.contains(Date(2010, 7, 5)));
1712     assert(interval.contains(Date(2011, 7, 1)));
1713     assert(interval.contains(Date(2012, 1, 6)));
1714     assert(!interval.contains(Date(2012, 1, 7)));
1715     assert(!interval.contains(Date(2012, 1, 8)));
1716     assert(!interval.contains(Date(2013, 1, 7)));
1718     const cdate = Date(2010, 7, 6);
1719     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
1720     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
1726     assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).contains(Date(1994, 12, 24)));
1727     assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).contains(Date(2000, 1, 5)));
1728     assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).contains(Date(2012, 3, 1)));
1736     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
1738 … assertThrown!DateTimeException(interval.contains(Interval!Date(Date(2010, 7, 4), dur!"days"(0))));
1739 … assertThrown!DateTimeException(Interval!Date(Date(2010, 7, 4), dur!"days"(0)).contains(interval));
1740     assertThrown!DateTimeException(Interval!Date(Date(2010, 7, 4),dur!"days"(0)).contains(
1741                                        Interval!Date(Date(2010, 7, 4), dur!"days"(0))));
1744     assert(!interval.contains(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3))));
1745     assert(!interval.contains(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))));
1746     assert(!interval.contains(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4))));
1747     assert(!interval.contains(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))));
1748     assert(!interval.contains(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))));
1749     assert(!interval.contains(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))));
1750     assert(interval.contains(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))));
1751     assert(interval.contains(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))));
1752     assert(interval.contains(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))));
1753     assert(!interval.contains(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))));
1754     assert(!interval.contains(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8))));
1755     assert(!interval.contains(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9))));
1757     assert(!Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3)).contains(interval));
1758     assert(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3)).contains(interval));
1759     assert(!Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4)).contains(interval));
1760     assert(!Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5)).contains(interval));
1761     assert(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7)).contains(interval));
1762     assert(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8)).contains(interval));
1763     assert(!Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6)).contains(interval));
1764     assert(!Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7)).contains(interval));
1765     assert(!Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7)).contains(interval));
1766     assert(!Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8)).contains(interval));
1767     assert(!Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8)).contains(interval));
1768     assert(!Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9)).contains(interval));
1770     assert(!interval.contains(PosInfInterval!Date(Date(2010, 7, 3))));
1771     assert(!interval.contains(PosInfInterval!Date(Date(2010, 7, 4))));
1772     assert(!interval.contains(PosInfInterval!Date(Date(2010, 7, 5))));
1773     assert(!interval.contains(PosInfInterval!Date(Date(2012, 1, 6))));
1774     assert(!interval.contains(PosInfInterval!Date(Date(2012, 1, 7))));
1775     assert(!interval.contains(PosInfInterval!Date(Date(2012, 1, 8))));
1777     assert(!interval.contains(NegInfInterval!Date(Date(2010, 7, 3))));
1778     assert(!interval.contains(NegInfInterval!Date(Date(2010, 7, 4))));
1779     assert(!interval.contains(NegInfInterval!Date(Date(2010, 7, 5))));
1780     assert(!interval.contains(NegInfInterval!Date(Date(2012, 1, 6))));
1781     assert(!interval.contains(NegInfInterval!Date(Date(2012, 1, 7))));
1782     assert(!interval.contains(NegInfInterval!Date(Date(2012, 1, 8))));
1784     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
1785     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
1786     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
1787     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
1788     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
1789     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
1790     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
1791     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
1821     assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).contains(
1822                Interval!Date(Date(1990, 7, 6), Date(2000, 8, 2))));
1823     assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).contains(
1824                Interval!Date(Date(1999, 1, 12), Date(2011, 9, 17))));
1825     assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).contains(
1826                Interval!Date(Date(1998, 2, 28), Date(2013, 5, 1))));
1828 …assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).contains(PosInfInterval!Date(Date(1999, …
1830 …assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).contains(NegInfInterval!Date(Date(1996, …
1838     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
1840 …assertThrown!DateTimeException(Interval!Date(Date(2010, 7, 4), dur!"days"(0)).isBefore(Date(2010, …
1842     assert(!interval.isBefore(Date(2009, 7, 3)));
1843     assert(!interval.isBefore(Date(2010, 7, 3)));
1844     assert(!interval.isBefore(Date(2010, 7, 4)));
1845     assert(!interval.isBefore(Date(2010, 7, 5)));
1846     assert(!interval.isBefore(Date(2011, 7, 1)));
1847     assert(!interval.isBefore(Date(2012, 1, 6)));
1848     assert(interval.isBefore(Date(2012, 1, 7)));
1849     assert(interval.isBefore(Date(2012, 1, 8)));
1850     assert(interval.isBefore(Date(2013, 1, 7)));
1852     const cdate = Date(2010, 7, 6);
1853     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
1854     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
1860     assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isBefore(Date(1994, 12, 24)));
1861     assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isBefore(Date(2000, 1, 5)));
1862     assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isBefore(Date(2012, 3, 1)));
1870     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
1872 … assertThrown!DateTimeException(interval.isBefore(Interval!Date(Date(2010, 7, 4), dur!"days"(0))));
1873 … assertThrown!DateTimeException(Interval!Date(Date(2010, 7, 4), dur!"days"(0)).isBefore(interval));
1874     assertThrown!DateTimeException(Interval!Date(Date(2010, 7, 4), dur!"days"(0)).isBefore(
1875                                        Interval!Date(Date(2010, 7, 4), dur!"days"(0))));
1878     assert(!interval.isBefore(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3))));
1879     assert(!interval.isBefore(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))));
1880     assert(!interval.isBefore(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4))));
1881     assert(!interval.isBefore(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))));
1882     assert(!interval.isBefore(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))));
1883     assert(!interval.isBefore(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))));
1884     assert(!interval.isBefore(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))));
1885     assert(!interval.isBefore(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))));
1886     assert(!interval.isBefore(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))));
1887     assert(!interval.isBefore(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))));
1888     assert(interval.isBefore(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8))));
1889     assert(interval.isBefore(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9))));
1891     assert(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3)).isBefore(interval));
1892     assert(!Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3)).isBefore(interval));
1893     assert(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4)).isBefore(interval));
1894     assert(!Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5)).isBefore(interval));
1895     assert(!Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7)).isBefore(interval));
1896     assert(!Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8)).isBefore(interval));
1897     assert(!Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6)).isBefore(interval));
1898     assert(!Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7)).isBefore(interval));
1899     assert(!Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7)).isBefore(interval));
1900     assert(!Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8)).isBefore(interval));
1901     assert(!Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8)).isBefore(interval));
1902     assert(!Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9)).isBefore(interval));
1904     assert(!interval.isBefore(PosInfInterval!Date(Date(2010, 7, 3))));
1905     assert(!interval.isBefore(PosInfInterval!Date(Date(2010, 7, 4))));
1906     assert(!interval.isBefore(PosInfInterval!Date(Date(2010, 7, 5))));
1907     assert(!interval.isBefore(PosInfInterval!Date(Date(2012, 1, 6))));
1908     assert(interval.isBefore(PosInfInterval!Date(Date(2012, 1, 7))));
1909     assert(interval.isBefore(PosInfInterval!Date(Date(2012, 1, 8))));
1911     assert(!interval.isBefore(NegInfInterval!Date(Date(2010, 7, 3))));
1912     assert(!interval.isBefore(NegInfInterval!Date(Date(2010, 7, 4))));
1913     assert(!interval.isBefore(NegInfInterval!Date(Date(2010, 7, 5))));
1914     assert(!interval.isBefore(NegInfInterval!Date(Date(2012, 1, 6))));
1915     assert(!interval.isBefore(NegInfInterval!Date(Date(2012, 1, 7))));
1916     assert(!interval.isBefore(NegInfInterval!Date(Date(2012, 1, 8))));
1918     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
1919     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
1920     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
1921     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
1922     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
1923     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
1924     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
1925     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
1955     assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isBefore(
1956                Interval!Date(Date(1990, 7, 6), Date(2000, 8, 2))));
1957     assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isBefore(
1958                Interval!Date(Date(1999, 1, 12), Date(2011, 9, 17))));
1959     assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isBefore(
1960                Interval!Date(Date(2012, 3, 1), Date(2013, 5, 1))));
1962 …assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isBefore(PosInfInterval!Date(Date(1999, …
1963 …assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isBefore(PosInfInterval!Date(Date(2013, 3…
1965 …assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isBefore(NegInfInterval!Date(Date(1996, …
1973     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
1975 …assertThrown!DateTimeException(Interval!Date(Date(2010, 7, 4), dur!"days"(0)).isAfter(Date(2010, 7…
1977     assert(interval.isAfter(Date(2009, 7, 4)));
1978     assert(interval.isAfter(Date(2010, 7, 3)));
1979     assert(!interval.isAfter(Date(2010, 7, 4)));
1980     assert(!interval.isAfter(Date(2010, 7, 5)));
1981     assert(!interval.isAfter(Date(2011, 7, 1)));
1982     assert(!interval.isAfter(Date(2012, 1, 6)));
1983     assert(!interval.isAfter(Date(2012, 1, 7)));
1984     assert(!interval.isAfter(Date(2012, 1, 8)));
1985     assert(!interval.isAfter(Date(2013, 1, 7)));
1987     const cdate = Date(2010, 7, 6);
1988     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
1989     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
1995     assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAfter(Date(1994, 12, 24)));
1996     assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAfter(Date(2000, 1, 5)));
1997     assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAfter(Date(2012, 3, 1)));
2005     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2007 …  assertThrown!DateTimeException(interval.isAfter(Interval!Date(Date(2010, 7, 4), dur!"days"(0))));
2008 …  assertThrown!DateTimeException(Interval!Date(Date(2010, 7, 4), dur!"days"(0)).isAfter(interval));
2009     assertThrown!DateTimeException(Interval!Date(Date(2010, 7, 4), dur!"days"(0)).isAfter(
2010                                        Interval!Date(Date(2010, 7, 4), dur!"days"(0))));
2013     assert(interval.isAfter(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3))));
2014     assert(!interval.isAfter(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))));
2015     assert(interval.isAfter(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4))));
2016     assert(!interval.isAfter(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))));
2017     assert(!interval.isAfter(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))));
2018     assert(!interval.isAfter(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))));
2019     assert(!interval.isAfter(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))));
2020     assert(!interval.isAfter(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))));
2021     assert(!interval.isAfter(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))));
2022     assert(!interval.isAfter(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))));
2023     assert(!interval.isAfter(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8))));
2024     assert(!interval.isAfter(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9))));
2026     assert(!Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3)).isAfter(interval));
2027     assert(!Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3)).isAfter(interval));
2028     assert(!Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4)).isAfter(interval));
2029     assert(!Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5)).isAfter(interval));
2030     assert(!Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7)).isAfter(interval));
2031     assert(!Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8)).isAfter(interval));
2032     assert(!Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6)).isAfter(interval));
2033     assert(!Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7)).isAfter(interval));
2034     assert(!Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7)).isAfter(interval));
2035     assert(!Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8)).isAfter(interval));
2036     assert(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8)).isAfter(interval));
2037     assert(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9)).isAfter(interval));
2039     assert(!interval.isAfter(PosInfInterval!Date(Date(2010, 7, 3))));
2040     assert(!interval.isAfter(PosInfInterval!Date(Date(2010, 7, 4))));
2041     assert(!interval.isAfter(PosInfInterval!Date(Date(2010, 7, 5))));
2042     assert(!interval.isAfter(PosInfInterval!Date(Date(2012, 1, 6))));
2043     assert(!interval.isAfter(PosInfInterval!Date(Date(2012, 1, 7))));
2044     assert(!interval.isAfter(PosInfInterval!Date(Date(2012, 1, 8))));
2046     assert(interval.isAfter(NegInfInterval!Date(Date(2010, 7, 3))));
2047     assert(interval.isAfter(NegInfInterval!Date(Date(2010, 7, 4))));
2048     assert(!interval.isAfter(NegInfInterval!Date(Date(2010, 7, 5))));
2049     assert(!interval.isAfter(NegInfInterval!Date(Date(2012, 1, 6))));
2050     assert(!interval.isAfter(NegInfInterval!Date(Date(2012, 1, 7))));
2051     assert(!interval.isAfter(NegInfInterval!Date(Date(2012, 1, 8))));
2053     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2054     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2055     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
2056     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
2057     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
2058     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
2059     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
2060     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
2090     assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAfter(
2091                Interval!Date(Date(1990, 7, 6), Date(2000, 8, 2))));
2092     assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAfter(
2093                Interval!Date(Date(1999, 1, 12), Date(2011, 9, 17))));
2094     assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAfter(
2095                Interval!Date(Date(1989, 3, 1), Date(1996, 1, 2))));
2097 …assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAfter(PosInfInterval!Date(Date(1999, 5…
2099 …assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAfter(NegInfInterval!Date(Date(1996, 1,…
2107     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2109 …assertThrown!DateTimeException(interval.intersects(Interval!Date(Date(2010, 7, 4), dur!"days"(0)))…
2110 …assertThrown!DateTimeException(Interval!Date(Date(2010, 7, 4), dur!"days"(0)).intersects(interval)…
2111     assertThrown!DateTimeException(Interval!Date(Date(2010, 7, 4), dur!"days"(0)).intersects(
2112                                        Interval!Date(Date(2010, 7, 4), dur!"days"(0))));
2115     assert(!interval.intersects(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3))));
2116     assert(interval.intersects(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))));
2117     assert(!interval.intersects(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4))));
2118     assert(interval.intersects(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))));
2119     assert(interval.intersects(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))));
2120     assert(interval.intersects(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))));
2121     assert(interval.intersects(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))));
2122     assert(interval.intersects(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))));
2123     assert(interval.intersects(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))));
2124     assert(interval.intersects(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))));
2125     assert(!interval.intersects(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8))));
2126     assert(!interval.intersects(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9))));
2128     assert(!Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3)).intersects(interval));
2129     assert(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3)).intersects(interval));
2130     assert(!Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4)).intersects(interval));
2131     assert(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5)).intersects(interval));
2132     assert(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7)).intersects(interval));
2133     assert(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8)).intersects(interval));
2134     assert(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6)).intersects(interval));
2135     assert(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7)).intersects(interval));
2136     assert(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7)).intersects(interval));
2137     assert(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8)).intersects(interval));
2138     assert(!Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8)).intersects(interval));
2139     assert(!Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9)).intersects(interval));
2141     assert(interval.intersects(PosInfInterval!Date(Date(2010, 7, 3))));
2142     assert(interval.intersects(PosInfInterval!Date(Date(2010, 7, 4))));
2143     assert(interval.intersects(PosInfInterval!Date(Date(2010, 7, 5))));
2144     assert(interval.intersects(PosInfInterval!Date(Date(2012, 1, 6))));
2145     assert(!interval.intersects(PosInfInterval!Date(Date(2012, 1, 7))));
2146     assert(!interval.intersects(PosInfInterval!Date(Date(2012, 1, 8))));
2148     assert(!interval.intersects(NegInfInterval!Date(Date(2010, 7, 3))));
2149     assert(!interval.intersects(NegInfInterval!Date(Date(2010, 7, 4))));
2150     assert(interval.intersects(NegInfInterval!Date(Date(2010, 7, 5))));
2151     assert(interval.intersects(NegInfInterval!Date(Date(2012, 1, 6))));
2152     assert(interval.intersects(NegInfInterval!Date(Date(2012, 1, 7))));
2153     assert(interval.intersects(NegInfInterval!Date(Date(2012, 1, 8))));
2155     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2156     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2157     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
2158     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
2159     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
2160     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
2161     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
2162     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
2192     assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersects(
2193                Interval!Date(Date(1990, 7, 6), Date(2000, 8, 2))));
2194     assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersects(
2195                Interval!Date(Date(1999, 1, 12), Date(2011, 9, 17))));
2196     assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersects(
2197                Interval!Date(Date(1989, 3, 1), Date(1996, 1, 2))));
2199 …assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersects(PosInfInterval!Date(Date(1999,…
2200 …assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersects(PosInfInterval!Date(Date(2012…
2202 …assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersects(NegInfInterval!Date(Date(1996…
2203 …assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersects(NegInfInterval!Date(Date(2000,…
2211     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2213 …assertThrown!DateTimeException(interval.intersection(Interval!Date(Date(2010, 7, 4), dur!"days"(0)…
2214 …assertThrown!DateTimeException(Interval!Date(Date(2010, 7, 4), dur!"days"(0)).intersection(interva…
2215     assertThrown!DateTimeException(Interval!Date(Date(2010, 7, 4), dur!"days"(0)).intersection(
2216                                        Interval!Date(Date(2010, 7, 4), dur!"days"(0))));
2218 …assertThrown!DateTimeException(interval.intersection(Interval!Date(Date(2010, 7, 1), Date(2010, 7,…
2219 …assertThrown!DateTimeException(interval.intersection(Interval!Date(Date(2010, 7, 3), Date(2010, 7,…
2220 …assertThrown!DateTimeException(interval.intersection(Interval!Date(Date(2012, 1, 7), Date(2012, 1,…
2221 …assertThrown!DateTimeException(interval.intersection(Interval!Date(Date(2012, 1, 8), Date(2012, 1,…
2223 …assertThrown!DateTimeException(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3)).intersection(inte…
2224 …assertThrown!DateTimeException(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4)).intersection(inte…
2225 …assertThrown!DateTimeException(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8)).intersection(inte…
2226 …assertThrown!DateTimeException(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9)).intersection(inte…
2228     assertThrown!DateTimeException(interval.intersection(PosInfInterval!Date(Date(2012, 1, 7))));
2229     assertThrown!DateTimeException(interval.intersection(PosInfInterval!Date(Date(2012, 1, 8))));
2231     assertThrown!DateTimeException(interval.intersection(NegInfInterval!Date(Date(2010, 7, 3))));
2232     assertThrown!DateTimeException(interval.intersection(NegInfInterval!Date(Date(2010, 7, 4))));
2235     assert(interval.intersection(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))) ==
2236            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
2237     assert(interval.intersection(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))) ==
2238            Interval!Date(Date(2010, 7, 4), Date(2010, 7, 5)));
2239     assert(interval.intersection(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))) ==
2240            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
2241     assert(interval.intersection(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))) ==
2242            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
2243     assert(interval.intersection(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))) ==
2244            Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6)));
2245     assert(interval.intersection(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))) ==
2246            Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7)));
2247     assert(interval.intersection(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))) ==
2248            Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7)));
2249     assert(interval.intersection(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))) ==
2250            Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7)));
2252     assert(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3)).intersection(interval) ==
2253            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
2254     assert(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5)).intersection(interval) ==
2255            Interval!Date(Date(2010, 7, 4), Date(2010, 7, 5)));
2256     assert(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7)).intersection(interval) ==
2257            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
2258     assert(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8)).intersection(interval) ==
2259            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
2260     assert(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6)).intersection(interval) ==
2261            Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6)));
2262     assert(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7)).intersection(interval) ==
2263            Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7)));
2264     assert(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7)).intersection(interval) ==
2265            Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7)));
2266     assert(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8)).intersection(interval) ==
2267            Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7)));
2269     assert(interval.intersection(PosInfInterval!Date(Date(2010, 7, 3))) ==
2270            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
2271     assert(interval.intersection(PosInfInterval!Date(Date(2010, 7, 4))) ==
2272            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
2273     assert(interval.intersection(PosInfInterval!Date(Date(2010, 7, 5))) ==
2274            Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7)));
2275     assert(interval.intersection(PosInfInterval!Date(Date(2012, 1, 6))) ==
2276            Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7)));
2278     assert(interval.intersection(NegInfInterval!Date(Date(2010, 7, 5))) ==
2279            Interval!Date(Date(2010, 7, 4), Date(2010, 7, 5)));
2280     assert(interval.intersection(NegInfInterval!Date(Date(2012, 1, 6))) ==
2281            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 6)));
2282     assert(interval.intersection(NegInfInterval!Date(Date(2012, 1, 7))) ==
2283            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
2284     assert(interval.intersection(NegInfInterval!Date(Date(2012, 1, 8))) ==
2285            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
2287     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2288     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2289     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
2290     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
2291     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
2292     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
2293     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
2294     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
2324     assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersection(
2325                Interval!Date(Date(1990, 7, 6), Date(2000, 8, 2))) ==
2326            Interval!Date(Date(1996, 1 , 2), Date(2000, 8, 2)));
2327     assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersection(
2328                Interval!Date(Date(1999, 1, 12),Date(2011, 9, 17))) ==
2329            Interval!Date(Date(1999, 1 , 12), Date(2011, 9, 17)));
2331     assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersection(
2332                PosInfInterval!Date(Date(1990, 7, 6))) ==
2333            Interval!Date(Date(1996, 1 , 2), Date(2012, 3, 1)));
2334     assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersection(
2335                PosInfInterval!Date(Date(1999, 1, 12))) ==
2336            Interval!Date(Date(1999, 1 , 12), Date(2012, 3, 1)));
2338     assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersection(
2339                NegInfInterval!Date(Date(1999, 7, 6))) ==
2340            Interval!Date(Date(1996, 1 , 2), Date(1999, 7, 6)));
2341     assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).intersection(
2342                NegInfInterval!Date(Date(2013, 1, 12))) ==
2343            Interval!Date(Date(1996, 1 , 2), Date(2012, 3, 1)));
2351     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2353     static void testInterval(in Interval!Date interval1, in Interval!Date interval2)
2358 …assertThrown!DateTimeException(testInterval(interval, Interval!Date(Date(2010, 7, 4), dur!"days"(0…
2359 …assertThrown!DateTimeException(testInterval(Interval!Date(Date(2010, 7, 4), dur!"days"(0)), interv…
2360     assertThrown!DateTimeException(testInterval(Interval!Date(Date(2010, 7, 4), dur!"days"(0)),
2361                                                 Interval!Date(Date(2010, 7, 4), dur!"days"(0))));
2364     assert(!interval.isAdjacent(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3))));
2365     assert(!interval.isAdjacent(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))));
2366     assert(interval.isAdjacent(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4))));
2367     assert(!interval.isAdjacent(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))));
2368     assert(!interval.isAdjacent(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))));
2369     assert(!interval.isAdjacent(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))));
2370     assert(!interval.isAdjacent(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))));
2371     assert(!interval.isAdjacent(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))));
2372     assert(!interval.isAdjacent(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))));
2373     assert(!interval.isAdjacent(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))));
2374     assert(interval.isAdjacent(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8))));
2375     assert(!interval.isAdjacent(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9))));
2377     assert(!Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3)).isAdjacent(interval));
2378     assert(!Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3)).isAdjacent(interval));
2379     assert(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4)).isAdjacent(interval));
2380     assert(!Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5)).isAdjacent(interval));
2381     assert(!Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7)).isAdjacent(interval));
2382     assert(!Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8)).isAdjacent(interval));
2383     assert(!Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6)).isAdjacent(interval));
2384     assert(!Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7)).isAdjacent(interval));
2385     assert(!Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7)).isAdjacent(interval));
2386     assert(!Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8)).isAdjacent(interval));
2387     assert(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8)).isAdjacent(interval));
2388     assert(!Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9)).isAdjacent(interval));
2390     assert(!interval.isAdjacent(PosInfInterval!Date(Date(2010, 7, 3))));
2391     assert(!interval.isAdjacent(PosInfInterval!Date(Date(2010, 7, 4))));
2392     assert(!interval.isAdjacent(PosInfInterval!Date(Date(2010, 7, 5))));
2393     assert(!interval.isAdjacent(PosInfInterval!Date(Date(2012, 1, 6))));
2394     assert(interval.isAdjacent(PosInfInterval!Date(Date(2012, 1, 7))));
2395     assert(!interval.isAdjacent(PosInfInterval!Date(Date(2012, 1, 8))));
2397     assert(!interval.isAdjacent(NegInfInterval!Date(Date(2010, 7, 3))));
2398     assert(interval.isAdjacent(NegInfInterval!Date(Date(2010, 7, 4))));
2399     assert(!interval.isAdjacent(NegInfInterval!Date(Date(2010, 7, 5))));
2400     assert(!interval.isAdjacent(NegInfInterval!Date(Date(2012, 1, 6))));
2401     assert(!interval.isAdjacent(NegInfInterval!Date(Date(2012, 1, 7))));
2402     assert(!interval.isAdjacent(NegInfInterval!Date(Date(2012, 1, 8))));
2404     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2405     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2406     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
2407     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
2408     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
2409     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
2410     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
2411     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
2441     assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAdjacent(
2442                Interval!Date(Date(1990, 7, 6), Date(1996, 1, 2))));
2443     assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAdjacent(
2444                Interval!Date(Date(2012, 3, 1), Date(2013, 9, 17))));
2445     assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAdjacent(
2446                Interval!Date(Date(1989, 3, 1), Date(2012, 3, 1))));
2448 …assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAdjacent(PosInfInterval!Date(Date(1999…
2449 …assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAdjacent(PosInfInterval!Date(Date(2012,…
2451 …assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).isAdjacent(NegInfInterval!Date(Date(1996,…
2452 …assert(!Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)) .isAdjacent(NegInfInterval!Date(Date(200…
2460     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2462     static void testInterval(I)(in Interval!Date interval1, in I interval2)  in testInterval()
2467 …assertThrown!DateTimeException(testInterval(interval, Interval!Date(Date(2010, 7, 4), dur!"days"(0…
2468 …assertThrown!DateTimeException(testInterval(Interval!Date(Date(2010, 7, 4), dur!"days"(0)), interv…
2469     assertThrown!DateTimeException(testInterval(Interval!Date(Date(2010, 7, 4), dur!"days"(0)),
2470                                                 Interval!Date(Date(2010, 7, 4), dur!"days"(0))));
2472 …assertThrown!DateTimeException(testInterval(interval, Interval!Date(Date(2010, 7, 1), Date(2010, 7…
2473 …assertThrown!DateTimeException(testInterval(interval, Interval!Date(Date(2012, 1, 8), Date(2012, 1…
2475 …assertThrown!DateTimeException(testInterval(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3)), int…
2476 …assertThrown!DateTimeException(testInterval(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9)), int…
2478     assertThrown!DateTimeException(testInterval(interval, PosInfInterval!Date(Date(2012, 1, 8))));
2480     assertThrown!DateTimeException(testInterval(interval, NegInfInterval!Date(Date(2010, 7, 3))));
2483     assert(interval.merge(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))) ==
2484            Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3)));
2485     assert(interval.merge(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4))) ==
2486            Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7)));
2487     assert(interval.merge(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))) ==
2488            Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7)));
2489     assert(interval.merge(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))) ==
2490            Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7)));
2491     assert(interval.merge(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))) ==
2492            Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8)));
2493     assert(interval.merge(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))) ==
2494            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
2495     assert(interval.merge(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))) ==
2496            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
2497     assert(interval.merge(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))) ==
2498            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
2499     assert(interval.merge(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))) ==
2500            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 8)));
2501     assert(interval.merge(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8))) ==
2502            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 8)));
2504     assert(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3)).merge(interval) ==
2505            Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3)));
2506     assert(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4)).merge(interval) ==
2507            Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7)));
2508     assert(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5)).merge(interval) ==
2509            Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7)));
2510     assert(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7)).merge(interval) ==
2511            Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7)));
2512     assert(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8)).merge(interval) ==
2513            Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8)));
2514     assert(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6)).merge(interval) ==
2515            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
2516     assert(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7)).merge(interval) ==
2517            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
2518     assert(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7)).merge(interval) ==
2519            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
2520     assert(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8)).merge(interval) ==
2521            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 8)));
2522     assert(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8)).merge(interval) ==
2523            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 8)));
2525     assert(interval.merge(PosInfInterval!Date(Date(2010, 7, 3))) ==
2526            PosInfInterval!Date(Date(2010, 7, 3)));
2527     assert(interval.merge(PosInfInterval!Date(Date(2010, 7, 4))) ==
2528            PosInfInterval!Date(Date(2010, 7, 4)));
2529     assert(interval.merge(PosInfInterval!Date(Date(2010, 7, 5))) ==
2530            PosInfInterval!Date(Date(2010, 7, 4)));
2531     assert(interval.merge(PosInfInterval!Date(Date(2012, 1, 6))) ==
2532            PosInfInterval!Date(Date(2010, 7, 4)));
2533     assert(interval.merge(PosInfInterval!Date(Date(2012, 1, 7))) ==
2534            PosInfInterval!Date(Date(2010, 7, 4)));
2536     assert(interval.merge(NegInfInterval!Date(Date(2010, 7, 4))) ==
2537            NegInfInterval!Date(Date(2012, 1, 7)));
2538     assert(interval.merge(NegInfInterval!Date(Date(2010, 7, 5))) ==
2539            NegInfInterval!Date(Date(2012, 1, 7)));
2540     assert(interval.merge(NegInfInterval!Date(Date(2012, 1, 6))) ==
2541            NegInfInterval!Date(Date(2012, 1, 7)));
2542     assert(interval.merge(NegInfInterval!Date(Date(2012, 1, 7))) ==
2543            NegInfInterval!Date(Date(2012, 1, 7)));
2544     assert(interval.merge(NegInfInterval!Date(Date(2012, 1, 8))) ==
2545            NegInfInterval!Date(Date(2012, 1, 8)));
2547     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2548     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2549     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
2550     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
2551     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
2552     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
2553     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
2554     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
2584 …assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).merge(Interval!Date(Date(1990, 7, 6), Dat…
2585            Interval!Date(Date(1990, 7 , 6), Date(2012, 3, 1)));
2586 …assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).merge(Interval!Date(Date(2012, 3, 1), Dat…
2587            Interval!Date(Date(1996, 1 , 2), Date(2013, 5, 7)));
2589 …assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).merge(PosInfInterval!Date(Date(1990, 7, 6…
2590            PosInfInterval!Date(Date(1990, 7 , 6)));
2591 …assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).merge(PosInfInterval!Date(Date(2012, 3, 1…
2592            PosInfInterval!Date(Date(1996, 1 , 2)));
2594 …assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).merge(NegInfInterval!Date(Date(1996, 1, 2…
2595            NegInfInterval!Date(Date(2012, 3 , 1)));
2596 …assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).merge(NegInfInterval!Date(Date(2013, 1, 1…
2597            NegInfInterval!Date(Date(2013, 1 , 12)));
2605     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2607     static void testInterval(in Interval!Date interval1, in Interval!Date interval2)
2612 …assertThrown!DateTimeException(testInterval(interval, Interval!Date(Date(2010, 7, 4), dur!"days"(0…
2613 …assertThrown!DateTimeException(testInterval(Interval!Date(Date(2010, 7, 4), dur!"days"(0)),interva…
2614     assertThrown!DateTimeException(testInterval(Interval!Date(Date(2010, 7, 4), dur!"days"(0)),
2615                                                 Interval!Date(Date(2010, 7, 4), dur!"days"(0))));
2618     assert(interval.span(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3))) ==
2619            Interval!Date(Date(2010, 7, 1), Date(2012, 1, 7)));
2620     assert(interval.span(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))) ==
2621            Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3)));
2622     assert(interval.span(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4))) ==
2623            Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7)));
2624     assert(interval.span(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))) ==
2625            Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7)));
2626     assert(interval.span(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))) ==
2627            Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7)));
2628     assert(interval.span(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))) ==
2629            Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8)));
2630     assert(interval.span(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))) ==
2631            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
2632     assert(interval.span(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))) ==
2633            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
2634     assert(interval.span(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))) ==
2635            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
2636     assert(interval.span(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))) ==
2637            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 8)));
2638     assert(interval.span(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8))) ==
2639            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 8)));
2640     assert(interval.span(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9))) ==
2641            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 9)));
2643     assert(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3)).span(interval) ==
2644            Interval!Date(Date(2010, 7, 1), Date(2012, 1, 7)));
2645     assert(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3)).span(interval) ==
2646            Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3)));
2647     assert(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4)).span(interval) ==
2648            Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7)));
2649     assert(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5)).span(interval) ==
2650            Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7)));
2651     assert(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7)).span(interval) ==
2652            Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7)));
2653     assert(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8)).span(interval) ==
2654            Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8)));
2655     assert(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6)).span(interval) ==
2656            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
2657     assert(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7)).span(interval) ==
2658            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
2659     assert(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7)).span(interval) ==
2660            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
2661     assert(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8)).span(interval) ==
2662            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 8)));
2663     assert(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8)).span(interval) ==
2664            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 8)));
2665     assert(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9)).span(interval) ==
2666            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 9)));
2668 …assert(interval.span(PosInfInterval!Date(Date(2010, 7, 3))) == PosInfInterval!Date(Date(2010, 7, 3…
2669 …assert(interval.span(PosInfInterval!Date(Date(2010, 7, 4))) == PosInfInterval!Date(Date(2010, 7, 4…
2670 …assert(interval.span(PosInfInterval!Date(Date(2010, 7, 5))) == PosInfInterval!Date(Date(2010, 7, 4…
2671 …assert(interval.span(PosInfInterval!Date(Date(2012, 1, 6))) == PosInfInterval!Date(Date(2010, 7, 4…
2672 …assert(interval.span(PosInfInterval!Date(Date(2012, 1, 7))) == PosInfInterval!Date(Date(2010, 7, 4…
2673 …assert(interval.span(PosInfInterval!Date(Date(2012, 1, 8))) == PosInfInterval!Date(Date(2010, 7, 4…
2675 …assert(interval.span(NegInfInterval!Date(Date(2010, 7, 3))) == NegInfInterval!Date(Date(2012, 1, 7…
2676 …assert(interval.span(NegInfInterval!Date(Date(2010, 7, 4))) == NegInfInterval!Date(Date(2012, 1, 7…
2677 …assert(interval.span(NegInfInterval!Date(Date(2010, 7, 5))) == NegInfInterval!Date(Date(2012, 1, 7…
2678 …assert(interval.span(NegInfInterval!Date(Date(2012, 1, 6))) == NegInfInterval!Date(Date(2012, 1, 7…
2679 …assert(interval.span(NegInfInterval!Date(Date(2012, 1, 7))) == NegInfInterval!Date(Date(2012, 1, 7…
2680 …assert(interval.span(NegInfInterval!Date(Date(2012, 1, 8))) == NegInfInterval!Date(Date(2012, 1, 8…
2682     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2683     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2684     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
2685     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
2686     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
2687     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
2688     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
2689     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
2719 …assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).span(Interval!Date(Date(1990, 7, 6), Date…
2720            Interval!Date(Date(1990, 7 , 6), Date(2012, 3, 1)));
2721 …assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).span(Interval!Date(Date(2012, 3, 1), Date…
2722            Interval!Date(Date(1996, 1 , 2), Date(2013, 5, 7)));
2724 …assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).span(PosInfInterval!Date(Date(1990, 7, 6)…
2725            PosInfInterval!Date(Date(1990, 7 , 6)));
2726 …assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).span(PosInfInterval!Date(Date(2050, 1, 1)…
2727            PosInfInterval!Date(Date(1996, 1 , 2)));
2729 …assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).span(NegInfInterval!Date(Date(1602, 5, 21…
2730            NegInfInterval!Date(Date(2012, 3 , 1)));
2731 …assert(Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1)).span(NegInfInterval!Date(Date(2013, 1, 12…
2732            NegInfInterval!Date(Date(2013, 1 , 12)));
2740     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2742     static void testIntervalFail(Interval!Date interval, in Duration duration)
2747 …assertThrown!DateTimeException(testIntervalFail(Interval!Date(Date(2010, 7, 4), dur!"days"(0)), du…
2755     testInterval(interval, dur!"days"(22), Interval!Date(Date(2010, 7, 26), Date(2012, 1, 29)));
2756     testInterval(interval, dur!"days"(-22), Interval!Date(Date(2010, 6, 12), Date(2011, 12, 16)));
2758     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2759     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2764     auto interval1 = Interval!Date(Date(1996, 1, 2), Date(2012, 4, 5));
2765     auto interval2 = Interval!Date(Date(1996, 1, 2), Date(2012, 4, 5));
2768     assert(interval1 == Interval!Date(Date(1996, 2, 21), Date(2012, 5, 25)));
2771     assert(interval2 == Interval!Date(Date(1995, 11, 13), Date(2012, 2, 15)));
2780         auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2782         static void testIntervalFail(Interval!Date interval, int years, int months)
2787 …assertThrown!DateTimeException(testIntervalFail(Interval!Date(Date(2010, 7, 4), dur!"days"(0)), 1,…
2796 …testInterval(interval, 5, 0, AllowDayOverflow.yes, Interval!Date(Date(2015, 7, 4), Date(2017, 1, 7…
2797 …testInterval(interval, -5, 0, AllowDayOverflow.yes, Interval!Date(Date(2005, 7, 4), Date(2007, 1, …
2799         auto interval2 = Interval!Date(Date(2000, 1, 29), Date(2010, 5, 31));
2801 …testInterval(interval2, 1, 1, AllowDayOverflow.yes, Interval!Date(Date(2001, 3, 1), Date(2011, 7, …
2802 …testInterval(interval2, 1, -1, AllowDayOverflow.yes, Interval!Date(Date(2000, 12, 29), Date(2011, …
2803 …estInterval(interval2, -1, -1, AllowDayOverflow.yes, Interval!Date(Date(1998, 12, 29), Date(2009, …
2804 …testInterval(interval2, -1, 1, AllowDayOverflow.yes, Interval!Date(Date(1999, 3, 1), Date(2009, 7,…
2806 …testInterval(interval2, 1, 1, AllowDayOverflow.no, Interval!Date(Date(2001, 2, 28), Date(2011, 6, …
2807 …testInterval(interval2, 1, -1, AllowDayOverflow.no, Interval!Date(Date(2000, 12, 29), Date(2011, 4…
2808 …testInterval(interval2, -1, -1, AllowDayOverflow.no, Interval!Date(Date(1998, 12, 29), Date(2009, …
2809 …testInterval(interval2, -1, 1, AllowDayOverflow.no, Interval!Date(Date(1999, 2, 28), Date(2009, 6,…
2812     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2813     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2818     auto interval1 = Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1));
2819     auto interval2 = Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1));
2822     assert(interval1 == Interval!Date(Date(1998, 1, 2), Date(2014, 3, 1)));
2825     assert(interval2 == Interval!Date(Date(1994, 1, 2), Date(2010, 3, 1)));
2833     auto interval = Interval!Date(Date(2000, 7, 4), Date(2012, 1, 7));
2840 …assertThrown!DateTimeException(testIntervalFail(Interval!Date(Date(2010, 7, 4), dur!"days"(0)), du…
2841 …assertThrown!DateTimeException(testIntervalFail(Interval!Date(Date(2010, 7, 4), Date(2010, 7, 5)),…
2849     testInterval(interval, dur!"days"(22), Interval!Date(Date(2000, 6, 12), Date(2012, 1, 29)));
2850     testInterval(interval, dur!"days"(-22), Interval!Date(Date(2000, 7, 26), Date(2011, 12, 16)));
2852     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2853     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2858     auto interval1 = Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1));
2859     auto interval2 = Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1));
2862     assert(interval1 == Interval!Date(Date(1995, 12, 31), Date(2012, 3, 3)));
2865     assert(interval2 == Interval!Date(Date(1996, 1, 4), Date(2012, 2, 28)));
2874         auto interval = Interval!Date(Date(2000, 7, 4), Date(2012, 1, 7));
2876         static void testIntervalFail(Interval!Date interval, int years, int months)
2881 …assertThrown!DateTimeException(testIntervalFail(Interval!Date(Date(2010, 7, 4), dur!"days"(0)), 1,…
2882 …assertThrown!DateTimeException(testIntervalFail(Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)),…
2892                      Interval!Date(Date(1995, 7, 4), Date(2017, 1, 7)));
2894                      Interval!Date(Date(2005, 7, 4), Date(2007, 1, 7)));
2897                      Interval!Date(Date(2000, 7, 4), Date(2017, 1, 7)));
2899                      Interval!Date(Date(2000, 7, 4), Date(2007, 1, 7)));
2902                      Interval!Date(Date(1995, 7, 4), Date(2012, 1, 7)));
2904                      Interval!Date(Date(2005, 7, 4), Date(2012, 1, 7)));
2906         auto interval2 = Interval!Date(Date(2000, 1, 29), Date(2010, 5, 31));
2909                      Interval!Date(Date(1998, 12, 29), Date(2011, 7, 1)));
2911                      Interval!Date(Date(1999, 3, 1), Date(2011, 5, 1)));
2913                      Interval!Date(Date(2001, 3, 1), Date(2009, 5, 1)));
2915                      Interval!Date(Date(2000, 12, 29), Date(2009, 7, 1)));
2918                      Interval!Date(Date(1998, 12, 29), Date(2011, 6, 30)));
2920                      Interval!Date(Date(1999, 2, 28), Date(2011, 4, 30)));
2922                      Interval!Date(Date(2001, 2, 28), Date(2009, 4, 30)));
2924                      Interval!Date(Date(2000, 12, 29), Date(2009, 6, 30)));
2927                      Interval!Date(Date(2000, 1, 29), Date(2011, 7, 1)));
2929                      Interval!Date(Date(2000, 1, 29), Date(2011, 5, 1)));
2931                      Interval!Date(Date(2000, 1, 29), Date(2009, 5, 1)));
2933                      Interval!Date(Date(2000, 1, 29), Date(2009, 7, 1)));
2936                      Interval!Date(Date(2000, 1, 29), Date(2011, 6, 30)));
2938                      Interval!Date(Date(2000, 1, 29), Date(2011, 4, 30)));
2940                      Interval!Date(Date(2000, 1, 29), Date(2009, 4, 30)));
2942                      Interval!Date(Date(2000, 1, 29), Date(2009, 6, 30)));
2945                      Interval!Date(Date(1998, 12, 29), Date(2010, 5, 31)));
2947                      Interval!Date(Date(1999, 3, 1), Date(2010, 5, 31)));
2949                      Interval!Date(Date(2001, 3, 1), Date(2010, 5, 31)));
2951                      Interval!Date(Date(2000, 12, 29), Date(2010, 5, 31)));
2954                      Interval!Date(Date(1998, 12, 29), Date(2010, 5, 31)));
2956                      Interval!Date(Date(1999, 2, 28), Date(2010, 5, 31)));
2958                      Interval!Date(Date(2001, 2, 28), Date(2010, 5, 31)));
2960                      Interval!Date(Date(2000, 12, 29), Date(2010, 5, 31)));
2963     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2964     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
2969     auto interval1 = Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1));
2970     auto interval2 = Interval!Date(Date(1996, 1, 2), Date(2012, 3, 1));
2973     assert(interval1 == Interval!Date(Date(1994, 1, 2), Date(2014, 3, 1)));
2976     assert(interval2 == Interval!Date(Date(1998, 1, 2), Date(2010, 3, 1)));
2985         auto interval = Interval!Date(Date(2010, 9, 19), Date(2010, 9, 21));
2987         static void testInterval1(Interval!Date interval)
2989             interval.fwdRange(everyDayOfWeek!Date(DayOfWeek.fri));
2992 …     assertThrown!DateTimeException(testInterval1(Interval!Date(Date(2010, 7, 4), dur!"days"(0))));
2994         static void testInterval2(Interval!Date interval)
2996             interval.fwdRange(everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.fri)).popFront();
3001         assert(!interval.fwdRange(everyDayOfWeek!Date(DayOfWeek.fri)).empty);
3002         assert(interval.fwdRange(everyDayOfWeek!Date(DayOfWeek.fri), PopFirst.yes).empty);
3004 …assert(Interval!Date(Date(2010, 9, 12), Date(2010, 10, 1)).fwdRange(everyDayOfWeek!Date(DayOfWeek.…
3005                Date(2010, 9, 12));
3007         assert(Interval!Date(Date(2010, 9, 12), Date(2010, 10, 1)).fwdRange(
3008                    everyDayOfWeek!Date(DayOfWeek.fri), PopFirst.yes).front == Date(2010, 9, 17));
3013         auto interval = Interval!Date(Date(2010, 9, 1), Date(2010, 9, 9));
3014         auto func = delegate (in Date date)  in delegate()
3023         assert(range.front == Date(2010, 9, 1));
3026         assert(range.front == Date(2010, 9, 2));
3029         assert(range.front == Date(2010, 9, 4));
3032         assert(range.front == Date(2010, 9, 6));
3035         assert(range.front == Date(2010, 9, 8));
3041     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
3042     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
3043     assert(!cInterval.fwdRange(everyDayOfWeek!Date(DayOfWeek.fri)).empty);
3044     assert(!iInterval.fwdRange(everyDayOfWeek!Date(DayOfWeek.fri)).empty);
3053         auto interval = Interval!Date(Date(2010, 9, 19), Date(2010, 9, 21));
3055         static void testInterval1(Interval!Date interval)
3057             interval.bwdRange(everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.fri));
3060 …     assertThrown!DateTimeException(testInterval1(Interval!Date(Date(2010, 7, 4), dur!"days"(0))));
3062         static void testInterval2(Interval!Date interval)
3064             interval.bwdRange(everyDayOfWeek!(Date, Direction.fwd)(DayOfWeek.fri)).popFront();
3069         assert(!interval.bwdRange(everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.fri)).empty);
3070 …assert(interval.bwdRange(everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.fri), PopFirst.yes).empty);
3072         assert(Interval!Date(Date(2010, 9, 19), Date(2010, 10, 1)).bwdRange(
3073                    everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.fri)).front == Date(2010, 10, 1));
3075         assert(Interval!Date(Date(2010, 9, 19), Date(2010, 10, 1)).bwdRange(
3076 …    everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.fri), PopFirst.yes).front == Date(2010, 9, 24));
3081         auto interval = Interval!Date(Date(2010, 9, 1), Date(2010, 9, 9));
3082         auto func = delegate (in Date date)  in delegate()
3091         assert(range.front == Date(2010, 9, 9));
3094         assert(range.front == Date(2010, 9, 8));
3097         assert(range.front == Date(2010, 9, 6));
3100         assert(range.front == Date(2010, 9, 4));
3103         assert(range.front == Date(2010, 9, 2));
3109     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
3110     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
3111     assert(!cInterval.bwdRange(everyDayOfWeek!Date(DayOfWeek.fri)).empty);
3112     assert(!iInterval.bwdRange(everyDayOfWeek!Date(DayOfWeek.fri)).empty);
3120 …assert(Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)).toString() == "[2010-Jul-04 - 2012-Jan-07…
3122     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
3123     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
3146 auto interval = PosInfInterval!Date(Date(1996, 1, 2));  in PosInfInterval()
3182 assert(PosInfInterval!Date(Date(1996, 1, 2)).begin == Date(1996, 1, 2));  in PosInfInterval()
4160     PosInfInterval!Date(Date.init);
4166     auto interval = PosInfInterval!Date(Date(1996, 1, 2));
4174     assert(PosInfInterval!Date(Date(1, 1, 1)).begin == Date(1, 1, 1));
4175     assert(PosInfInterval!Date(Date(2010, 1, 1)).begin == Date(2010, 1, 1));
4176     assert(PosInfInterval!Date(Date(1997, 12, 31)).begin == Date(1997, 12, 31));
4178     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4179     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4180     assert(cPosInfInterval.begin != Date.init);
4181     assert(iPosInfInterval.begin != Date.init);
4184     assert(PosInfInterval!Date(Date(1996, 1, 2)).begin == Date(1996, 1, 2));
4193     assert(!PosInfInterval!Date(Date(2010, 1, 1)).empty);
4198     const cPosInfInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
4199     immutable iPosInfInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
4204     assert(!PosInfInterval!Date(Date(1996, 1, 2)).empty);
4212     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4214     assert(!posInfInterval.contains(Date(2009, 7, 4)));
4215     assert(!posInfInterval.contains(Date(2010, 7, 3)));
4216     assert(posInfInterval.contains(Date(2010, 7, 4)));
4217     assert(posInfInterval.contains(Date(2010, 7, 5)));
4218     assert(posInfInterval.contains(Date(2011, 7, 1)));
4219     assert(posInfInterval.contains(Date(2012, 1, 6)));
4220     assert(posInfInterval.contains(Date(2012, 1, 7)));
4221     assert(posInfInterval.contains(Date(2012, 1, 8)));
4222     assert(posInfInterval.contains(Date(2013, 1, 7)));
4224     const cdate = Date(2010, 7, 6);
4225     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4226     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4232     assert(!PosInfInterval!Date(Date(1996, 1, 2)).contains(Date(1994, 12, 24)));
4233     assert(PosInfInterval!Date(Date(1996, 1, 2)).contains(Date(2000, 1, 5)));
4241     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4243     static void testInterval(in PosInfInterval!Date posInfInterval, in Interval!Date interval)
4248 …assertThrown!DateTimeException(testInterval(posInfInterval, Interval!Date(Date(2010, 7, 4), dur!"d…
4251     assert(!posInfInterval.contains(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3))));
4252     assert(!posInfInterval.contains(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))));
4253     assert(!posInfInterval.contains(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4))));
4254     assert(!posInfInterval.contains(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))));
4255     assert(!posInfInterval.contains(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))));
4256     assert(!posInfInterval.contains(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))));
4257     assert(posInfInterval.contains(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))));
4258     assert(posInfInterval.contains(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))));
4259     assert(posInfInterval.contains(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))));
4260     assert(posInfInterval.contains(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))));
4261     assert(posInfInterval.contains(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8))));
4262     assert(posInfInterval.contains(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9))));
4264     assert(!posInfInterval.contains(PosInfInterval!Date(Date(2010, 7, 3))));
4265     assert(posInfInterval.contains(PosInfInterval!Date(Date(2010, 7, 4))));
4266     assert(posInfInterval.contains(PosInfInterval!Date(Date(2010, 7, 5))));
4267     assert(posInfInterval.contains(PosInfInterval!Date(Date(2012, 1, 6))));
4268     assert(posInfInterval.contains(PosInfInterval!Date(Date(2012, 1, 7))));
4269     assert(posInfInterval.contains(PosInfInterval!Date(Date(2012, 1, 8))));
4271     assert(PosInfInterval!Date(Date(2010, 7, 3)).contains(posInfInterval));
4272     assert(PosInfInterval!Date(Date(2010, 7, 4)).contains(posInfInterval));
4273     assert(!PosInfInterval!Date(Date(2010, 7, 5)).contains(posInfInterval));
4274     assert(!PosInfInterval!Date(Date(2012, 1, 6)).contains(posInfInterval));
4275     assert(!PosInfInterval!Date(Date(2012, 1, 7)).contains(posInfInterval));
4276     assert(!PosInfInterval!Date(Date(2012, 1, 8)).contains(posInfInterval));
4278     assert(!posInfInterval.contains(NegInfInterval!Date(Date(2010, 7, 3))));
4279     assert(!posInfInterval.contains(NegInfInterval!Date(Date(2010, 7, 4))));
4280     assert(!posInfInterval.contains(NegInfInterval!Date(Date(2010, 7, 5))));
4281     assert(!posInfInterval.contains(NegInfInterval!Date(Date(2012, 1, 6))));
4282     assert(!posInfInterval.contains(NegInfInterval!Date(Date(2012, 1, 7))));
4283     assert(!posInfInterval.contains(NegInfInterval!Date(Date(2012, 1, 8))));
4285     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
4286     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
4287     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
4288     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4289     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4290     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
4291     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
4292     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
4322 …assert(!PosInfInterval!Date(Date(1996, 1, 2)).contains(Interval!Date(Date(1990, 7, 6), Date(2000, …
4323 …assert(PosInfInterval!Date(Date(1996, 1, 2)).contains(Interval!Date(Date(1999, 1, 12), Date(2011, …
4324 …assert(PosInfInterval!Date(Date(1996, 1, 2)).contains(Interval!Date(Date(1998, 2, 28), Date(2013, …
4326     assert(PosInfInterval!Date(Date(1996, 1, 2)).contains(PosInfInterval!Date(Date(1999, 5, 4))));
4327     assert(!PosInfInterval!Date(Date(1996, 1, 2)).contains(PosInfInterval!Date(Date(1995, 7, 2))));
4329     assert(!PosInfInterval!Date(Date(1996, 1, 2)).contains(NegInfInterval!Date(Date(1996, 5, 4))));
4337     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4339     assert(!posInfInterval.isBefore(Date(2009, 7, 3)));
4340     assert(!posInfInterval.isBefore(Date(2010, 7, 3)));
4341     assert(!posInfInterval.isBefore(Date(2010, 7, 4)));
4342     assert(!posInfInterval.isBefore(Date(2010, 7, 5)));
4343     assert(!posInfInterval.isBefore(Date(2011, 7, 1)));
4344     assert(!posInfInterval.isBefore(Date(2012, 1, 6)));
4345     assert(!posInfInterval.isBefore(Date(2012, 1, 7)));
4346     assert(!posInfInterval.isBefore(Date(2012, 1, 8)));
4347     assert(!posInfInterval.isBefore(Date(2013, 1, 7)));
4349     const cdate = Date(2010, 7, 6);
4350     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4351     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4357     assert(!PosInfInterval!Date(Date(1996, 1, 2)).isBefore(Date(1994, 12, 24)));
4358     assert(!PosInfInterval!Date(Date(1996, 1, 2)).isBefore(Date(2000, 1, 5)));
4366     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4368     static void testInterval(in PosInfInterval!Date posInfInterval, in Interval!Date interval)
4373 …assertThrown!DateTimeException(testInterval(posInfInterval, Interval!Date(Date(2010, 7, 4), dur!"d…
4376     assert(!posInfInterval.isBefore(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3))));
4377     assert(!posInfInterval.isBefore(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))));
4378     assert(!posInfInterval.isBefore(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4))));
4379     assert(!posInfInterval.isBefore(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))));
4380     assert(!posInfInterval.isBefore(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))));
4381     assert(!posInfInterval.isBefore(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))));
4382     assert(!posInfInterval.isBefore(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))));
4383     assert(!posInfInterval.isBefore(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))));
4384     assert(!posInfInterval.isBefore(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))));
4385     assert(!posInfInterval.isBefore(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))));
4386     assert(!posInfInterval.isBefore(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8))));
4387     assert(!posInfInterval.isBefore(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9))));
4389     assert(!posInfInterval.isBefore(PosInfInterval!Date(Date(2010, 7, 3))));
4390     assert(!posInfInterval.isBefore(PosInfInterval!Date(Date(2010, 7, 4))));
4391     assert(!posInfInterval.isBefore(PosInfInterval!Date(Date(2010, 7, 5))));
4392     assert(!posInfInterval.isBefore(PosInfInterval!Date(Date(2012, 1, 6))));
4393     assert(!posInfInterval.isBefore(PosInfInterval!Date(Date(2012, 1, 7))));
4394     assert(!posInfInterval.isBefore(PosInfInterval!Date(Date(2012, 1, 8))));
4396     assert(!PosInfInterval!Date(Date(2010, 7, 3)).isBefore(posInfInterval));
4397     assert(!PosInfInterval!Date(Date(2010, 7, 4)).isBefore(posInfInterval));
4398     assert(!PosInfInterval!Date(Date(2010, 7, 5)).isBefore(posInfInterval));
4399     assert(!PosInfInterval!Date(Date(2012, 1, 6)).isBefore(posInfInterval));
4400     assert(!PosInfInterval!Date(Date(2012, 1, 7)).isBefore(posInfInterval));
4401     assert(!PosInfInterval!Date(Date(2012, 1, 8)).isBefore(posInfInterval));
4403     assert(!posInfInterval.isBefore(NegInfInterval!Date(Date(2010, 7, 3))));
4404     assert(!posInfInterval.isBefore(NegInfInterval!Date(Date(2010, 7, 4))));
4405     assert(!posInfInterval.isBefore(NegInfInterval!Date(Date(2010, 7, 5))));
4406     assert(!posInfInterval.isBefore(NegInfInterval!Date(Date(2012, 1, 6))));
4407     assert(!posInfInterval.isBefore(NegInfInterval!Date(Date(2012, 1, 7))));
4408     assert(!posInfInterval.isBefore(NegInfInterval!Date(Date(2012, 1, 8))));
4410     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
4411     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
4412     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
4413     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4414     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4415     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
4416     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
4417     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
4447 …assert(!PosInfInterval!Date(Date(1996, 1, 2)).isBefore(Interval!Date(Date(1990, 7, 6), Date(2000, …
4448 …assert(!PosInfInterval!Date(Date(1996, 1, 2)).isBefore(Interval!Date(Date(1999, 1, 12), Date(2011,…
4450     assert(!PosInfInterval!Date(Date(1996, 1, 2)).isBefore(PosInfInterval!Date(Date(1992, 5, 4))));
4451     assert(!PosInfInterval!Date(Date(1996, 1, 2)).isBefore(PosInfInterval!Date(Date(2013, 3, 7))));
4453     assert(!PosInfInterval!Date(Date(1996, 1, 2)).isBefore(NegInfInterval!Date(Date(1996, 5, 4))));
4461     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4463     assert(posInfInterval.isAfter(Date(2009, 7, 3)));
4464     assert(posInfInterval.isAfter(Date(2010, 7, 3)));
4465     assert(!posInfInterval.isAfter(Date(2010, 7, 4)));
4466     assert(!posInfInterval.isAfter(Date(2010, 7, 5)));
4467     assert(!posInfInterval.isAfter(Date(2011, 7, 1)));
4468     assert(!posInfInterval.isAfter(Date(2012, 1, 6)));
4469     assert(!posInfInterval.isAfter(Date(2012, 1, 7)));
4470     assert(!posInfInterval.isAfter(Date(2012, 1, 8)));
4471     assert(!posInfInterval.isAfter(Date(2013, 1, 7)));
4473     const cdate = Date(2010, 7, 6);
4474     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4475     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4481     assert(PosInfInterval!Date(Date(1996, 1, 2)).isAfter(Date(1994, 12, 24)));
4482     assert(!PosInfInterval!Date(Date(1996, 1, 2)).isAfter(Date(2000, 1, 5)));
4490     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4492     static void testInterval(in PosInfInterval!Date posInfInterval, in Interval!Date interval)
4497 …assertThrown!DateTimeException(testInterval(posInfInterval, Interval!Date(Date(2010, 7, 4), dur!"d…
4500     assert(posInfInterval.isAfter(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3))));
4501     assert(!posInfInterval.isAfter(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))));
4502     assert(posInfInterval.isAfter(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4))));
4503     assert(!posInfInterval.isAfter(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))));
4504     assert(!posInfInterval.isAfter(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))));
4505     assert(!posInfInterval.isAfter(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))));
4506     assert(!posInfInterval.isAfter(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))));
4507     assert(!posInfInterval.isAfter(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))));
4508     assert(!posInfInterval.isAfter(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))));
4509     assert(!posInfInterval.isAfter(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))));
4510     assert(!posInfInterval.isAfter(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8))));
4511     assert(!posInfInterval.isAfter(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9))));
4513     assert(!posInfInterval.isAfter(PosInfInterval!Date(Date(2010, 7, 3))));
4514     assert(!posInfInterval.isAfter(PosInfInterval!Date(Date(2010, 7, 4))));
4515     assert(!posInfInterval.isAfter(PosInfInterval!Date(Date(2010, 7, 5))));
4516     assert(!posInfInterval.isAfter(PosInfInterval!Date(Date(2012, 1, 6))));
4517     assert(!posInfInterval.isAfter(PosInfInterval!Date(Date(2012, 1, 7))));
4518     assert(!posInfInterval.isAfter(PosInfInterval!Date(Date(2012, 1, 8))));
4520     assert(!PosInfInterval!Date(Date(2010, 7, 3)).isAfter(posInfInterval));
4521     assert(!PosInfInterval!Date(Date(2010, 7, 4)).isAfter(posInfInterval));
4522     assert(!PosInfInterval!Date(Date(2010, 7, 5)).isAfter(posInfInterval));
4523     assert(!PosInfInterval!Date(Date(2012, 1, 6)).isAfter(posInfInterval));
4524     assert(!PosInfInterval!Date(Date(2012, 1, 7)).isAfter(posInfInterval));
4525     assert(!PosInfInterval!Date(Date(2012, 1, 8)).isAfter(posInfInterval));
4527     assert(posInfInterval.isAfter(NegInfInterval!Date(Date(2010, 7, 3))));
4528     assert(posInfInterval.isAfter(NegInfInterval!Date(Date(2010, 7, 4))));
4529     assert(!posInfInterval.isAfter(NegInfInterval!Date(Date(2010, 7, 5))));
4530     assert(!posInfInterval.isAfter(NegInfInterval!Date(Date(2012, 1, 6))));
4531     assert(!posInfInterval.isAfter(NegInfInterval!Date(Date(2012, 1, 7))));
4532     assert(!posInfInterval.isAfter(NegInfInterval!Date(Date(2012, 1, 8))));
4534     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
4535     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
4536     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
4537     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4538     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4539     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
4540     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
4541     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
4571 …assert(!PosInfInterval!Date(Date(1996, 1, 2)).isAfter(Interval!Date(Date(1990, 7, 6), Date(2000, 8…
4572 …assert(!PosInfInterval!Date(Date(1996, 1, 2)).isAfter(Interval!Date(Date(1999, 1, 12), Date(2011, …
4573 …assert(PosInfInterval!Date(Date(1996, 1, 2)).isAfter(Interval!Date(Date(1989, 3, 1), Date(1996, 1,…
4575     assert(!PosInfInterval!Date(Date(1996, 1, 2)).isAfter(PosInfInterval!Date(Date(1990, 1, 7))));
4576     assert(!PosInfInterval!Date(Date(1996, 1, 2)).isAfter(PosInfInterval!Date(Date(1999, 5, 4))));
4578     assert(PosInfInterval!Date(Date(1996, 1, 2)).isAfter(NegInfInterval!Date(Date(1996, 1, 2))));
4579     assert(!PosInfInterval!Date(Date(1996, 1, 2)).isAfter(NegInfInterval!Date(Date(2000, 7, 1))));
4587     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4589     static void testInterval(in PosInfInterval!Date posInfInterval, in Interval!Date interval)
4594 …assertThrown!DateTimeException(testInterval(posInfInterval, Interval!Date(Date(2010, 7, 4), dur!"d…
4597     assert(!posInfInterval.intersects(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3))));
4598     assert(posInfInterval.intersects(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))));
4599     assert(!posInfInterval.intersects(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4))));
4600     assert(posInfInterval.intersects(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))));
4601     assert(posInfInterval.intersects(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))));
4602     assert(posInfInterval.intersects(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))));
4603     assert(posInfInterval.intersects(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))));
4604     assert(posInfInterval.intersects(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))));
4605     assert(posInfInterval.intersects(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))));
4606     assert(posInfInterval.intersects(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))));
4607     assert(posInfInterval.intersects(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8))));
4608     assert(posInfInterval.intersects(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9))));
4610     assert(posInfInterval.intersects(PosInfInterval!Date(Date(2010, 7, 3))));
4611     assert(posInfInterval.intersects(PosInfInterval!Date(Date(2010, 7, 4))));
4612     assert(posInfInterval.intersects(PosInfInterval!Date(Date(2010, 7, 5))));
4613     assert(posInfInterval.intersects(PosInfInterval!Date(Date(2012, 1, 6))));
4614     assert(posInfInterval.intersects(PosInfInterval!Date(Date(2012, 1, 7))));
4615     assert(posInfInterval.intersects(PosInfInterval!Date(Date(2012, 1, 8))));
4617     assert(PosInfInterval!Date(Date(2010, 7, 3)).intersects(posInfInterval));
4618     assert(PosInfInterval!Date(Date(2010, 7, 4)).intersects(posInfInterval));
4619     assert(PosInfInterval!Date(Date(2010, 7, 5)).intersects(posInfInterval));
4620     assert(PosInfInterval!Date(Date(2012, 1, 6)).intersects(posInfInterval));
4621     assert(PosInfInterval!Date(Date(2012, 1, 7)).intersects(posInfInterval));
4622     assert(PosInfInterval!Date(Date(2012, 1, 8)).intersects(posInfInterval));
4624     assert(!posInfInterval.intersects(NegInfInterval!Date(Date(2010, 7, 3))));
4625     assert(!posInfInterval.intersects(NegInfInterval!Date(Date(2010, 7, 4))));
4626     assert(posInfInterval.intersects(NegInfInterval!Date(Date(2010, 7, 5))));
4627     assert(posInfInterval.intersects(NegInfInterval!Date(Date(2012, 1, 6))));
4628     assert(posInfInterval.intersects(NegInfInterval!Date(Date(2012, 1, 7))));
4629     assert(posInfInterval.intersects(NegInfInterval!Date(Date(2012, 1, 8))));
4631     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
4632     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
4633     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
4634     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4635     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4636     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
4637     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
4638     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
4668 …assert(PosInfInterval!Date(Date(1996, 1, 2)).intersects(Interval!Date(Date(1990, 7, 6), Date(2000,…
4669 …assert(PosInfInterval!Date(Date(1996, 1, 2)).intersects(Interval!Date(Date(1999, 1, 12), Date(2011…
4670 …assert(!PosInfInterval!Date(Date(1996, 1, 2)).intersects(Interval!Date(Date(1989, 3, 1), Date(1996…
4672     assert(PosInfInterval!Date(Date(1996, 1, 2)).intersects(PosInfInterval!Date(Date(1990, 1, 7))));
4673     assert(PosInfInterval!Date(Date(1996, 1, 2)).intersects(PosInfInterval!Date(Date(1999, 5, 4))));
4675 …  assert(!PosInfInterval!Date(Date(1996, 1, 2)).intersects(NegInfInterval!Date(Date(1996, 1, 2))));
4676     assert(PosInfInterval!Date(Date(1996, 1, 2)).intersects(NegInfInterval!Date(Date(2000, 7, 1))));
4684     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4691 …assertThrown!DateTimeException(testInterval(posInfInterval, Interval!Date(Date(2010, 7, 4), dur!"d…
4693 …Thrown!DateTimeException(testInterval(posInfInterval, Interval!Date(Date(2010, 7, 1), Date(2010, 7…
4694 …Thrown!DateTimeException(testInterval(posInfInterval, Interval!Date(Date(2010, 7, 3), Date(2010, 7…
4696 …assertThrown!DateTimeException(testInterval(posInfInterval, NegInfInterval!Date(Date(2010, 7, 3)))…
4697 …assertThrown!DateTimeException(testInterval(posInfInterval, NegInfInterval!Date(Date(2010, 7, 4)))…
4700     assert(posInfInterval.intersection(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))) ==
4701            Interval!Date(Date(2010, 7, 4), Date(2013, 7, 3)));
4702     assert(posInfInterval.intersection(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))) ==
4703            Interval!Date(Date(2010, 7, 4), Date(2010, 7, 5)));
4704     assert(posInfInterval.intersection(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))) ==
4705            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
4706     assert(posInfInterval.intersection(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))) ==
4707            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 8)));
4708     assert(posInfInterval.intersection(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))) ==
4709            Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6)));
4710     assert(posInfInterval.intersection(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))) ==
4711            Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7)));
4712     assert(posInfInterval.intersection(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))) ==
4713            Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7)));
4714     assert(posInfInterval.intersection(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))) ==
4715            Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8)));
4716     assert(posInfInterval.intersection(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8))) ==
4717            Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8)));
4718     assert(posInfInterval.intersection(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9))) ==
4719            Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9)));
4721 …assert(posInfInterval.intersection(PosInfInterval!Date(Date(2010, 7, 3))) == PosInfInterval!Date(D…
4722 …assert(posInfInterval.intersection(PosInfInterval!Date(Date(2010, 7, 4))) == PosInfInterval!Date(D…
4723 …assert(posInfInterval.intersection(PosInfInterval!Date(Date(2010, 7, 5))) == PosInfInterval!Date(D…
4724 …assert(posInfInterval.intersection(PosInfInterval!Date(Date(2012, 1, 6))) == PosInfInterval!Date(D…
4725 …assert(posInfInterval.intersection(PosInfInterval!Date(Date(2012, 1, 7))) == PosInfInterval!Date(D…
4726 …assert(posInfInterval.intersection(PosInfInterval!Date(Date(2012, 1, 8))) == PosInfInterval!Date(D…
4728 …assert(PosInfInterval!Date(Date(2010, 7, 3)).intersection(posInfInterval) == PosInfInterval!Date(D…
4729 …assert(PosInfInterval!Date(Date(2010, 7, 4)).intersection(posInfInterval) == PosInfInterval!Date(D…
4730 …assert(PosInfInterval!Date(Date(2010, 7, 5)).intersection(posInfInterval) == PosInfInterval!Date(D…
4731 …assert(PosInfInterval!Date(Date(2012, 1, 6)).intersection(posInfInterval) == PosInfInterval!Date(D…
4732 …assert(PosInfInterval!Date(Date(2012, 1, 7)).intersection(posInfInterval) == PosInfInterval!Date(D…
4733 …assert(PosInfInterval!Date(Date(2012, 1, 8)).intersection(posInfInterval) == PosInfInterval!Date(D…
4735     assert(posInfInterval.intersection(NegInfInterval!Date(Date(2010, 7, 5))) ==
4736            Interval!Date(Date(2010, 7, 4), Date(2010, 7, 5)));
4737     assert(posInfInterval.intersection(NegInfInterval!Date(Date(2012, 1, 6))) ==
4738            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 6)));
4739     assert(posInfInterval.intersection(NegInfInterval!Date(Date(2012, 1, 7))) ==
4740            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)));
4741     assert(posInfInterval.intersection(NegInfInterval!Date(Date(2012, 1, 8))) ==
4742            Interval!Date(Date(2010, 7, 4), Date(2012, 1, 8)));
4744     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
4745     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
4746     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
4747     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4748     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4749     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
4750     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
4751     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
4781 …assert(PosInfInterval!Date(Date(1996, 1, 2)).intersection(Interval!Date(Date(1990, 7, 6), Date(200…
4782            Interval!Date(Date(1996, 1, 2), Date(2000, 8, 2)));
4783 …assert(PosInfInterval!Date(Date(1996, 1, 2)).intersection(Interval!Date(Date(1999, 1, 12), Date(20…
4784            Interval!Date(Date(1999, 1, 12), Date(2011, 9, 17)));
4786 …assert(PosInfInterval!Date(Date(1996, 1, 2)).intersection(PosInfInterval!Date(Date(1990, 7, 6))) ==
4787            PosInfInterval!Date(Date(1996, 1, 2)));
4788 …assert(PosInfInterval!Date(Date(1996, 1, 2)).intersection(PosInfInterval!Date(Date(1999, 1, 12))) …
4789            PosInfInterval!Date(Date(1999, 1, 12)));
4791 …assert(PosInfInterval!Date(Date(1996, 1, 2)).intersection(NegInfInterval!Date(Date(1999, 7, 6))) ==
4792            Interval!Date(Date(1996, 1, 2), Date(1999, 7, 6)));
4793 …assert(PosInfInterval!Date(Date(1996, 1, 2)).intersection(NegInfInterval!Date(Date(2013, 1, 12))) …
4794            Interval!Date(Date(1996, 1, 2), Date(2013, 1, 12)));
4802     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4804     static void testInterval(in PosInfInterval!Date posInfInterval, in Interval!Date interval)
4809 …assertThrown!DateTimeException(testInterval(posInfInterval, Interval!Date(Date(2010, 7, 4), dur!"d…
4812     assert(!posInfInterval.isAdjacent(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3))));
4813     assert(!posInfInterval.isAdjacent(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))));
4814     assert(posInfInterval.isAdjacent(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4))));
4815     assert(!posInfInterval.isAdjacent(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))));
4816     assert(!posInfInterval.isAdjacent(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))));
4817     assert(!posInfInterval.isAdjacent(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))));
4818     assert(!posInfInterval.isAdjacent(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))));
4819     assert(!posInfInterval.isAdjacent(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))));
4820     assert(!posInfInterval.isAdjacent(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))));
4821     assert(!posInfInterval.isAdjacent(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))));
4822     assert(!posInfInterval.isAdjacent(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8))));
4823     assert(!posInfInterval.isAdjacent(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9))));
4825     assert(!posInfInterval.isAdjacent(PosInfInterval!Date(Date(2010, 7, 3))));
4826     assert(!posInfInterval.isAdjacent(PosInfInterval!Date(Date(2010, 7, 4))));
4827     assert(!posInfInterval.isAdjacent(PosInfInterval!Date(Date(2010, 7, 5))));
4828     assert(!posInfInterval.isAdjacent(PosInfInterval!Date(Date(2012, 1, 6))));
4829     assert(!posInfInterval.isAdjacent(PosInfInterval!Date(Date(2012, 1, 7))));
4830     assert(!posInfInterval.isAdjacent(PosInfInterval!Date(Date(2012, 1, 8))));
4832     assert(!PosInfInterval!Date(Date(2010, 7, 3)).isAdjacent(posInfInterval));
4833     assert(!PosInfInterval!Date(Date(2010, 7, 4)).isAdjacent(posInfInterval));
4834     assert(!PosInfInterval!Date(Date(2010, 7, 5)).isAdjacent(posInfInterval));
4835     assert(!PosInfInterval!Date(Date(2012, 1, 6)).isAdjacent(posInfInterval));
4836     assert(!PosInfInterval!Date(Date(2012, 1, 7)).isAdjacent(posInfInterval));
4837     assert(!PosInfInterval!Date(Date(2012, 1, 8)).isAdjacent(posInfInterval));
4839     assert(!posInfInterval.isAdjacent(NegInfInterval!Date(Date(2010, 7, 3))));
4840     assert(posInfInterval.isAdjacent(NegInfInterval!Date(Date(2010, 7, 4))));
4841     assert(!posInfInterval.isAdjacent(NegInfInterval!Date(Date(2010, 7, 5))));
4842     assert(!posInfInterval.isAdjacent(NegInfInterval!Date(Date(2012, 1, 6))));
4843     assert(!posInfInterval.isAdjacent(NegInfInterval!Date(Date(2012, 1, 7))));
4844     assert(!posInfInterval.isAdjacent(NegInfInterval!Date(Date(2012, 1, 8))));
4846     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
4847     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
4848     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
4849     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4850     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4851     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
4852     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
4853     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
4883 …assert(PosInfInterval!Date(Date(1996, 1, 2)).isAdjacent(Interval!Date(Date(1989, 3, 1), Date(1996,…
4884 …assert(!PosInfInterval!Date(Date(1999, 1, 12)).isAdjacent(Interval!Date(Date(1999, 1, 12), Date(20…
4886 …  assert(!PosInfInterval!Date(Date(1996, 1, 2)).isAdjacent(PosInfInterval!Date(Date(1990, 1, 7))));
4887 …  assert(!PosInfInterval!Date(Date(1996, 1, 2)).isAdjacent(PosInfInterval!Date(Date(1996, 1, 2))));
4889     assert(PosInfInterval!Date(Date(1996, 1, 2)).isAdjacent(NegInfInterval!Date(Date(1996, 1, 2))));
4890 …  assert(!PosInfInterval!Date(Date(1996, 1, 2)).isAdjacent(NegInfInterval!Date(Date(2000, 7, 1))));
4898     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4900     static void testInterval(in PosInfInterval!Date posInfInterval, in Interval!Date interval)
4905 …assertThrown!DateTimeException(testInterval(posInfInterval, Interval!Date(Date(2010, 7, 4), dur!"d…
4907 …Thrown!DateTimeException(testInterval(posInfInterval, Interval!Date(Date(2010, 7, 1), Date(2010, 7…
4910     assert(posInfInterval.merge(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))) ==
4911            PosInfInterval!Date(Date(2010, 7, 1)));
4912     assert(posInfInterval.merge(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4))) ==
4913            PosInfInterval!Date(Date(2010, 7, 3)));
4914     assert(posInfInterval.merge(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))) ==
4915            PosInfInterval!Date(Date(2010, 7, 3)));
4916     assert(posInfInterval.merge(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))) ==
4917            PosInfInterval!Date(Date(2010, 7, 3)));
4918     assert(posInfInterval.merge(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))) ==
4919            PosInfInterval!Date(Date(2010, 7, 3)));
4920     assert(posInfInterval.merge(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))) ==
4921            PosInfInterval!Date(Date(2010, 7, 4)));
4922     assert(posInfInterval.merge(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))) ==
4923            PosInfInterval!Date(Date(2010, 7, 4)));
4924     assert(posInfInterval.merge(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))) ==
4925            PosInfInterval!Date(Date(2010, 7, 4)));
4926     assert(posInfInterval.merge(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))) ==
4927            PosInfInterval!Date(Date(2010, 7, 4)));
4928     assert(posInfInterval.merge(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8))) ==
4929            PosInfInterval!Date(Date(2010, 7, 4)));
4930     assert(posInfInterval.merge(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9))) ==
4931            PosInfInterval!Date(Date(2010, 7, 4)));
4933 …assert(posInfInterval.merge(PosInfInterval!Date(Date(2010, 7, 3))) == PosInfInterval!Date(Date(201…
4934 …assert(posInfInterval.merge(PosInfInterval!Date(Date(2010, 7, 4))) == PosInfInterval!Date(Date(201…
4935 …assert(posInfInterval.merge(PosInfInterval!Date(Date(2010, 7, 5))) == PosInfInterval!Date(Date(201…
4936 …assert(posInfInterval.merge(PosInfInterval!Date(Date(2012, 1, 6))) == PosInfInterval!Date(Date(201…
4937 …assert(posInfInterval.merge(PosInfInterval!Date(Date(2012, 1, 7))) == PosInfInterval!Date(Date(201…
4938 …assert(posInfInterval.merge(PosInfInterval!Date(Date(2012, 1, 8))) == PosInfInterval!Date(Date(201…
4940 …assert(PosInfInterval!Date(Date(2010, 7, 3)).merge(posInfInterval) == PosInfInterval!Date(Date(201…
4941 …assert(PosInfInterval!Date(Date(2010, 7, 4)).merge(posInfInterval) == PosInfInterval!Date(Date(201…
4942 …assert(PosInfInterval!Date(Date(2010, 7, 5)).merge(posInfInterval) == PosInfInterval!Date(Date(201…
4943 …assert(PosInfInterval!Date(Date(2012, 1, 6)).merge(posInfInterval) == PosInfInterval!Date(Date(201…
4944 …assert(PosInfInterval!Date(Date(2012, 1, 7)).merge(posInfInterval) == PosInfInterval!Date(Date(201…
4945 …assert(PosInfInterval!Date(Date(2012, 1, 8)).merge(posInfInterval) == PosInfInterval!Date(Date(201…
4947     static assert(!__traits(compiles, posInfInterval.merge(NegInfInterval!Date(Date(2010, 7, 3)))));
4948     static assert(!__traits(compiles, posInfInterval.merge(NegInfInterval!Date(Date(2010, 7, 4)))));
4949     static assert(!__traits(compiles, posInfInterval.merge(NegInfInterval!Date(Date(2010, 7, 5)))));
4950     static assert(!__traits(compiles, posInfInterval.merge(NegInfInterval!Date(Date(2012, 1, 6)))));
4951     static assert(!__traits(compiles, posInfInterval.merge(NegInfInterval!Date(Date(2012, 1, 7)))));
4952     static assert(!__traits(compiles, posInfInterval.merge(NegInfInterval!Date(Date(2012, 1, 8)))));
4954     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
4955     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
4956     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
4957     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4958     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
4959     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
4960     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
4961     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
4991 …assert(PosInfInterval!Date(Date(1996, 1, 2)).merge(Interval!Date(Date(1990, 7, 6), Date(2000, 8, 2…
4992            PosInfInterval!Date(Date(1990, 7, 6)));
4993 …assert(PosInfInterval!Date(Date(1996, 1, 2)).merge(Interval!Date(Date(1999, 1, 12), Date(2011, 9, …
4994            PosInfInterval!Date(Date(1996, 1, 2)));
4996     assert(PosInfInterval!Date(Date(1996, 1, 2)).merge(PosInfInterval!Date(Date(1990, 7, 6))) ==
4997            PosInfInterval!Date(Date(1990, 7, 6)));
4998     assert(PosInfInterval!Date(Date(1996, 1, 2)).merge(PosInfInterval!Date(Date(1999, 1, 12))) ==
4999            PosInfInterval!Date(Date(1996, 1, 2)));
5007     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
5009     static void testInterval(in PosInfInterval!Date posInfInterval, in Interval!Date interval)
5014 …assertThrown!DateTimeException(testInterval(posInfInterval, Interval!Date(Date(2010, 7, 4), dur!"d…
5017     assert(posInfInterval.span(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3))) ==
5018            PosInfInterval!Date(Date(2010, 7, 1)));
5019     assert(posInfInterval.span(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))) ==
5020            PosInfInterval!Date(Date(2010, 7, 1)));
5021     assert(posInfInterval.span(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4))) ==
5022            PosInfInterval!Date(Date(2010, 7, 3)));
5023     assert(posInfInterval.span(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))) ==
5024            PosInfInterval!Date(Date(2010, 7, 3)));
5025     assert(posInfInterval.span(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))) ==
5026            PosInfInterval!Date(Date(2010, 7, 3)));
5027     assert(posInfInterval.span(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))) ==
5028            PosInfInterval!Date(Date(2010, 7, 3)));
5029     assert(posInfInterval.span(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))) ==
5030            PosInfInterval!Date(Date(2010, 7, 4)));
5031     assert(posInfInterval.span(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))) ==
5032            PosInfInterval!Date(Date(2010, 7, 4)));
5033     assert(posInfInterval.span(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))) ==
5034            PosInfInterval!Date(Date(2010, 7, 4)));
5035     assert(posInfInterval.span(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))) ==
5036            PosInfInterval!Date(Date(2010, 7, 4)));
5037     assert(posInfInterval.span(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8))) ==
5038            PosInfInterval!Date(Date(2010, 7, 4)));
5039     assert(posInfInterval.span(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9))) ==
5040            PosInfInterval!Date(Date(2010, 7, 4)));
5042 …assert(posInfInterval.span(PosInfInterval!Date(Date(2010, 7, 3))) == PosInfInterval!Date(Date(2010…
5043 …assert(posInfInterval.span(PosInfInterval!Date(Date(2010, 7, 4))) == PosInfInterval!Date(Date(2010…
5044 …assert(posInfInterval.span(PosInfInterval!Date(Date(2010, 7, 5))) == PosInfInterval!Date(Date(2010…
5045 …assert(posInfInterval.span(PosInfInterval!Date(Date(2012, 1, 6))) == PosInfInterval!Date(Date(2010…
5046 …assert(posInfInterval.span(PosInfInterval!Date(Date(2012, 1, 7))) == PosInfInterval!Date(Date(2010…
5047 …assert(posInfInterval.span(PosInfInterval!Date(Date(2012, 1, 8))) == PosInfInterval!Date(Date(2010…
5049 …assert(PosInfInterval!Date(Date(2010, 7, 3)).span(posInfInterval) == PosInfInterval!Date(Date(2010…
5050 …assert(PosInfInterval!Date(Date(2010, 7, 4)).span(posInfInterval) == PosInfInterval!Date(Date(2010…
5051 …assert(PosInfInterval!Date(Date(2010, 7, 5)).span(posInfInterval) == PosInfInterval!Date(Date(2010…
5052 …assert(PosInfInterval!Date(Date(2012, 1, 6)).span(posInfInterval) == PosInfInterval!Date(Date(2010…
5053 …assert(PosInfInterval!Date(Date(2012, 1, 7)).span(posInfInterval) == PosInfInterval!Date(Date(2010…
5054 …assert(PosInfInterval!Date(Date(2012, 1, 8)).span(posInfInterval) == PosInfInterval!Date(Date(2010…
5056     static assert(!__traits(compiles, posInfInterval.span(NegInfInterval!Date(Date(2010, 7, 3)))));
5057     static assert(!__traits(compiles, posInfInterval.span(NegInfInterval!Date(Date(2010, 7, 4)))));
5058     static assert(!__traits(compiles, posInfInterval.span(NegInfInterval!Date(Date(2010, 7, 5)))));
5059     static assert(!__traits(compiles, posInfInterval.span(NegInfInterval!Date(Date(2012, 1, 6)))));
5060     static assert(!__traits(compiles, posInfInterval.span(NegInfInterval!Date(Date(2012, 1, 7)))));
5061     static assert(!__traits(compiles, posInfInterval.span(NegInfInterval!Date(Date(2012, 1, 8)))));
5063     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
5064     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
5065     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
5066     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
5067     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
5068     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
5069     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
5070     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
5100 …assert(PosInfInterval!Date(Date(1996, 1, 2)).span(Interval!Date(Date(500, 8, 9), Date(1602, 1, 31)…
5101            PosInfInterval!Date(Date(500, 8, 9)));
5102 …assert(PosInfInterval!Date(Date(1996, 1, 2)).span(Interval!Date(Date(1990, 7, 6), Date(2000, 8, 2)…
5103            PosInfInterval!Date(Date(1990, 7, 6)));
5104 …assert(PosInfInterval!Date(Date(1996, 1, 2)).span(Interval!Date(Date(1999, 1, 12), Date(2011, 9, 1…
5105            PosInfInterval!Date(Date(1996, 1, 2)));
5107     assert(PosInfInterval!Date(Date(1996, 1, 2)).span(PosInfInterval!Date(Date(1990, 7, 6))) ==
5108            PosInfInterval!Date(Date(1990, 7, 6)));
5109     assert(PosInfInterval!Date(Date(1996, 1, 2)).span(PosInfInterval!Date(Date(1999, 1, 12))) ==
5110            PosInfInterval!Date(Date(1996, 1, 2)));
5118     auto interval = PosInfInterval!Date(Date(2010, 7, 4));
5126     testInterval(interval, dur!"days"(22), PosInfInterval!Date(Date(2010, 7, 26)));
5127     testInterval(interval, dur!"days"(-22), PosInfInterval!Date(Date(2010, 6, 12)));
5129     const cInterval = PosInfInterval!Date(Date(2010, 7, 4));
5130     immutable iInterval = PosInfInterval!Date(Date(2010, 7, 4));
5135     auto interval1 = PosInfInterval!Date(Date(1996, 1, 2));
5136     auto interval2 = PosInfInterval!Date(Date(1996, 1, 2));
5139     assert(interval1 == PosInfInterval!Date(Date(1996, 2, 21)));
5142     assert(interval2 == PosInfInterval!Date(Date(1995, 11, 13)));
5151         auto interval = PosInfInterval!Date(Date(2010, 7, 4));
5160         testInterval(interval, 5, 0, AllowDayOverflow.yes, PosInfInterval!Date(Date(2015, 7, 4)));
5161         testInterval(interval, -5, 0, AllowDayOverflow.yes, PosInfInterval!Date(Date(2005, 7, 4)));
5163         auto interval2 = PosInfInterval!Date(Date(2000, 1, 29));
5165         testInterval(interval2, 1, 1, AllowDayOverflow.yes, PosInfInterval!Date(Date(2001, 3, 1)));
5166 …     testInterval(interval2, 1, -1, AllowDayOverflow.yes, PosInfInterval!Date(Date(2000, 12, 29)));
5167 …    testInterval(interval2, -1, -1, AllowDayOverflow.yes, PosInfInterval!Date(Date(1998, 12, 29)));
5168         testInterval(interval2, -1, 1, AllowDayOverflow.yes, PosInfInterval!Date(Date(1999, 3, 1)));
5170         testInterval(interval2, 1, 1, AllowDayOverflow.no, PosInfInterval!Date(Date(2001, 2, 28)));
5171 …      testInterval(interval2, 1, -1, AllowDayOverflow.no, PosInfInterval!Date(Date(2000, 12, 29)));
5172 …     testInterval(interval2, -1, -1, AllowDayOverflow.no, PosInfInterval!Date(Date(1998, 12, 29)));
5173         testInterval(interval2, -1, 1, AllowDayOverflow.no, PosInfInterval!Date(Date(1999, 2, 28)));
5176     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
5177     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
5182     auto interval1 = PosInfInterval!Date(Date(1996, 1, 2));
5183     auto interval2 = PosInfInterval!Date(Date(1996, 1, 2));
5186     assert(interval1 == PosInfInterval!Date(Date(1998, 1, 2)));
5189     assert(interval2 == PosInfInterval!Date(Date(1994, 1, 2)));
5197     auto interval = PosInfInterval!Date(Date(2000, 7, 4));
5205     testInterval(interval, dur!"days"(22), PosInfInterval!Date(Date(2000, 6, 12)));
5206     testInterval(interval, dur!"days"(-22), PosInfInterval!Date(Date(2000, 7, 26)));
5208     const cInterval = PosInfInterval!Date(Date(2010, 7, 4));
5209     immutable iInterval = PosInfInterval!Date(Date(2010, 7, 4));
5214     auto interval1 = PosInfInterval!Date(Date(1996, 1, 2));
5215     auto interval2 = PosInfInterval!Date(Date(1996, 1, 2));
5218     assert(interval1 == PosInfInterval!Date(Date(1995, 12, 31)));
5221     assert(interval2 == PosInfInterval!Date(Date(1996, 1, 4)));
5230         auto interval = PosInfInterval!Date(Date(2000, 7, 4));
5239         testInterval(interval, 5, 0, AllowDayOverflow.yes, PosInfInterval!Date(Date(1995, 7, 4)));
5240         testInterval(interval, -5, 0, AllowDayOverflow.yes, PosInfInterval!Date(Date(2005, 7, 4)));
5242         auto interval2 = PosInfInterval!Date(Date(2000, 1, 29));
5244 …      testInterval(interval2, 1, 1, AllowDayOverflow.yes, PosInfInterval!Date(Date(1998, 12, 29)));
5245         testInterval(interval2, 1, -1, AllowDayOverflow.yes, PosInfInterval!Date(Date(1999, 3, 1)));
5246 …      testInterval(interval2, -1, -1, AllowDayOverflow.yes, PosInfInterval!Date(Date(2001, 3, 1)));
5247 …     testInterval(interval2, -1, 1, AllowDayOverflow.yes, PosInfInterval!Date(Date(2000, 12, 29)));
5249         testInterval(interval2, 1, 1, AllowDayOverflow.no, PosInfInterval!Date(Date(1998, 12, 29)));
5250         testInterval(interval2, 1, -1, AllowDayOverflow.no, PosInfInterval!Date(Date(1999, 2, 28)));
5251 …      testInterval(interval2, -1, -1, AllowDayOverflow.no, PosInfInterval!Date(Date(2001, 2, 28)));
5252 …      testInterval(interval2, -1, 1, AllowDayOverflow.no, PosInfInterval!Date(Date(2000, 12, 29)));
5255     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
5256     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
5261     auto interval1 = PosInfInterval!Date(Date(1996, 1, 2));
5262     auto interval2 = PosInfInterval!Date(Date(1996, 1, 2));
5265     assert(interval1 == PosInfInterval!Date(Date(1994, 1, 2)));
5268     assert(interval2 == PosInfInterval!Date(Date(1998, 1, 2)));
5276     auto posInfInterval = PosInfInterval!Date(Date(2010, 9, 19));
5278     static void testInterval(PosInfInterval!Date posInfInterval)
5280         posInfInterval.fwdRange(everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.fri)).popFront();
5285 …assert(PosInfInterval!Date(Date(2010, 9, 12)).fwdRange(everyDayOfWeek!Date(DayOfWeek.fri)).front ==
5286            Date(2010, 9, 12));
5288 …assert(PosInfInterval!Date(Date(2010, 9, 12)).fwdRange(everyDayOfWeek!Date(DayOfWeek.fri), PopFirs…
5289            Date(2010, 9, 17));
5292     auto interval = PosInfInterval!Date(Date(2010, 9, 1));
5293     auto func = delegate (in Date date)  in delegate()
5301 …assert(range.front == Date(2010, 9, 1)); //An odd day. Using PopFirst.yes would have made this Dat…
5304     assert(range.front == Date(2010, 9, 2));
5307     assert(range.front == Date(2010, 9, 4));
5310     assert(range.front == Date(2010, 9, 6));
5313     assert(range.front == Date(2010, 9, 8));
5318     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
5319     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
5320     assert(!cPosInfInterval.fwdRange(everyDayOfWeek!Date(DayOfWeek.fri)).empty);
5321     assert(!iPosInfInterval.fwdRange(everyDayOfWeek!Date(DayOfWeek.fri)).empty);
5328     assert(PosInfInterval!Date(Date(2010, 7, 4)).toString() == "[2010-Jul-04 - ∞)");
5330     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
5331     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
5356 auto interval = PosInfInterval!Date(Date(1996, 1, 2));  in NegInfInterval()
5392 assert(NegInfInterval!Date(Date(2012, 3, 1)).end == Date(2012, 3, 1));  in NegInfInterval()
6382     NegInfInterval!Date(Date.init);
6393     assert(NegInfInterval!Date(Date(2010, 1, 1)).end == Date(2010, 1, 1));
6394     assert(NegInfInterval!Date(Date(2010, 1, 1)).end == Date(2010, 1, 1));
6395     assert(NegInfInterval!Date(Date(1998, 1, 1)).end == Date(1998, 1, 1));
6397     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6398     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6399     assert(cNegInfInterval.end != Date.init);
6400     assert(iNegInfInterval.end != Date.init);
6403     assert(NegInfInterval!Date(Date(2012, 3, 1)).end == Date(2012, 3, 1));
6412     assert(!NegInfInterval!Date(Date(2010, 1, 1)).empty);
6417     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6418     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6423     assert(!NegInfInterval!Date(Date(1996, 1, 2)).empty);
6431     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6433     assert(negInfInterval.contains(Date(2009, 7, 4)));
6434     assert(negInfInterval.contains(Date(2010, 7, 3)));
6435     assert(negInfInterval.contains(Date(2010, 7, 4)));
6436     assert(negInfInterval.contains(Date(2010, 7, 5)));
6437     assert(negInfInterval.contains(Date(2011, 7, 1)));
6438     assert(negInfInterval.contains(Date(2012, 1, 6)));
6439     assert(!negInfInterval.contains(Date(2012, 1, 7)));
6440     assert(!negInfInterval.contains(Date(2012, 1, 8)));
6441     assert(!negInfInterval.contains(Date(2013, 1, 7)));
6443     const cdate = Date(2010, 7, 6);
6444     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6445     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6451     assert(NegInfInterval!Date(Date(2012, 3, 1)).contains(Date(1994, 12, 24)));
6452     assert(NegInfInterval!Date(Date(2012, 3, 1)).contains(Date(2000, 1, 5)));
6453     assert(!NegInfInterval!Date(Date(2012, 3, 1)).contains(Date(2012, 3, 1)));
6461     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6463     static void testInterval(in NegInfInterval!Date negInfInterval, in Interval!Date interval)
6468 …assertThrown!DateTimeException(testInterval(negInfInterval, Interval!Date(Date(2010, 7, 4), dur!"d…
6471     assert(negInfInterval.contains(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3))));
6472     assert(!negInfInterval.contains(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))));
6473     assert(negInfInterval.contains(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4))));
6474     assert(negInfInterval.contains(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))));
6475     assert(negInfInterval.contains(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))));
6476     assert(!negInfInterval.contains(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))));
6477     assert(negInfInterval.contains(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))));
6478     assert(negInfInterval.contains(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))));
6479     assert(negInfInterval.contains(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))));
6480     assert(!negInfInterval.contains(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))));
6481     assert(!negInfInterval.contains(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8))));
6482     assert(!negInfInterval.contains(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9))));
6484     assert(negInfInterval.contains(NegInfInterval!Date(Date(2010, 7, 3))));
6485     assert(negInfInterval.contains(NegInfInterval!Date(Date(2010, 7, 4))));
6486     assert(negInfInterval.contains(NegInfInterval!Date(Date(2010, 7, 5))));
6487     assert(negInfInterval.contains(NegInfInterval!Date(Date(2012, 1, 6))));
6488     assert(negInfInterval.contains(NegInfInterval!Date(Date(2012, 1, 7))));
6489     assert(!negInfInterval.contains(NegInfInterval!Date(Date(2012, 1, 8))));
6491     assert(!NegInfInterval!Date(Date(2010, 7, 3)).contains(negInfInterval));
6492     assert(!NegInfInterval!Date(Date(2010, 7, 4)).contains(negInfInterval));
6493     assert(!NegInfInterval!Date(Date(2010, 7, 5)).contains(negInfInterval));
6494     assert(!NegInfInterval!Date(Date(2012, 1, 6)).contains(negInfInterval));
6495     assert(NegInfInterval!Date(Date(2012, 1, 7)).contains(negInfInterval));
6496     assert(NegInfInterval!Date(Date(2012, 1, 8)).contains(negInfInterval));
6498     assert(!negInfInterval.contains(PosInfInterval!Date(Date(2010, 7, 3))));
6499     assert(!negInfInterval.contains(PosInfInterval!Date(Date(2010, 7, 4))));
6500     assert(!negInfInterval.contains(PosInfInterval!Date(Date(2010, 7, 5))));
6501     assert(!negInfInterval.contains(PosInfInterval!Date(Date(2012, 1, 6))));
6502     assert(!negInfInterval.contains(PosInfInterval!Date(Date(2012, 1, 7))));
6503     assert(!negInfInterval.contains(PosInfInterval!Date(Date(2012, 1, 8))));
6505     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
6506     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
6507     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
6508     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
6509     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
6510     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
6511     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6512     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6542 …assert(NegInfInterval!Date(Date(2012, 3, 1)).contains(Interval!Date(Date(1990, 7, 6), Date(2000, 8…
6543 …assert(NegInfInterval!Date(Date(2012, 3, 1)).contains(Interval!Date(Date(1999, 1, 12), Date(2011, …
6544 …assert(!NegInfInterval!Date(Date(2012, 3, 1)).contains(Interval!Date(Date(1998, 2, 28), Date(2013,…
6546     assert(!NegInfInterval!Date(Date(2012, 3, 1)).contains(PosInfInterval!Date(Date(1999, 5, 4))));
6548     assert(NegInfInterval!Date(Date(2012, 3, 1)).contains(NegInfInterval!Date(Date(1996, 5, 4))));
6549     assert(!NegInfInterval!Date(Date(2012, 3, 1)).contains(NegInfInterval!Date(Date(2013, 7, 9))));
6557     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6559     assert(!negInfInterval.isBefore(Date(2009, 7, 4)));
6560     assert(!negInfInterval.isBefore(Date(2010, 7, 3)));
6561     assert(!negInfInterval.isBefore(Date(2010, 7, 4)));
6562     assert(!negInfInterval.isBefore(Date(2010, 7, 5)));
6563     assert(!negInfInterval.isBefore(Date(2011, 7, 1)));
6564     assert(!negInfInterval.isBefore(Date(2012, 1, 6)));
6565     assert(negInfInterval.isBefore(Date(2012, 1, 7)));
6566     assert(negInfInterval.isBefore(Date(2012, 1, 8)));
6567     assert(negInfInterval.isBefore(Date(2013, 1, 7)));
6569     const cdate = Date(2010, 7, 6);
6570     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6571     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6577     assert(!NegInfInterval!Date(Date(2012, 3, 1)).isBefore(Date(1994, 12, 24)));
6578     assert(!NegInfInterval!Date(Date(2012, 3, 1)).isBefore(Date(2000, 1, 5)));
6579     assert(NegInfInterval!Date(Date(2012, 3, 1)).isBefore(Date(2012, 3, 1)));
6587     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6589     static void testInterval(in NegInfInterval!Date negInfInterval, in Interval!Date interval)
6594 …assertThrown!DateTimeException(testInterval(negInfInterval, Interval!Date(Date(2010, 7, 4), dur!"d…
6597     assert(!negInfInterval.isBefore(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3))));
6598     assert(!negInfInterval.isBefore(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))));
6599     assert(!negInfInterval.isBefore(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4))));
6600     assert(!negInfInterval.isBefore(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))));
6601     assert(!negInfInterval.isBefore(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))));
6602     assert(!negInfInterval.isBefore(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))));
6603     assert(!negInfInterval.isBefore(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))));
6604     assert(!negInfInterval.isBefore(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))));
6605     assert(!negInfInterval.isBefore(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))));
6606     assert(!negInfInterval.isBefore(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))));
6607     assert(negInfInterval.isBefore(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8))));
6608     assert(negInfInterval.isBefore(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9))));
6610     assert(!negInfInterval.isBefore(NegInfInterval!Date(Date(2010, 7, 3))));
6611     assert(!negInfInterval.isBefore(NegInfInterval!Date(Date(2010, 7, 4))));
6612     assert(!negInfInterval.isBefore(NegInfInterval!Date(Date(2010, 7, 5))));
6613     assert(!negInfInterval.isBefore(NegInfInterval!Date(Date(2012, 1, 6))));
6614     assert(!negInfInterval.isBefore(NegInfInterval!Date(Date(2012, 1, 7))));
6615     assert(!negInfInterval.isBefore(NegInfInterval!Date(Date(2012, 1, 8))));
6617     assert(!NegInfInterval!Date(Date(2010, 7, 3)).isBefore(negInfInterval));
6618     assert(!NegInfInterval!Date(Date(2010, 7, 4)).isBefore(negInfInterval));
6619     assert(!NegInfInterval!Date(Date(2010, 7, 5)).isBefore(negInfInterval));
6620     assert(!NegInfInterval!Date(Date(2012, 1, 6)).isBefore(negInfInterval));
6621     assert(!NegInfInterval!Date(Date(2012, 1, 7)).isBefore(negInfInterval));
6622     assert(!NegInfInterval!Date(Date(2012, 1, 8)).isBefore(negInfInterval));
6624     assert(!negInfInterval.isBefore(PosInfInterval!Date(Date(2010, 7, 3))));
6625     assert(!negInfInterval.isBefore(PosInfInterval!Date(Date(2010, 7, 4))));
6626     assert(!negInfInterval.isBefore(PosInfInterval!Date(Date(2010, 7, 5))));
6627     assert(!negInfInterval.isBefore(PosInfInterval!Date(Date(2012, 1, 6))));
6628     assert(negInfInterval.isBefore(PosInfInterval!Date(Date(2012, 1, 7))));
6629     assert(negInfInterval.isBefore(PosInfInterval!Date(Date(2012, 1, 8))));
6631     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
6632     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
6633     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
6634     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
6635     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
6636     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
6637     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6638     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6668 …assert(!NegInfInterval!Date(Date(2012, 3, 1)).isBefore(Interval!Date(Date(1990, 7, 6), Date(2000, …
6669 …assert(!NegInfInterval!Date(Date(2012, 3, 1)).isBefore(Interval!Date(Date(1999, 1, 12), Date(2011,…
6670 …assert(NegInfInterval!Date(Date(2012, 3, 1)).isBefore(Interval!Date(Date(2022, 10, 19), Date(2027,…
6672     assert(!NegInfInterval!Date(Date(2012, 3, 1)).isBefore(PosInfInterval!Date(Date(1999, 5, 4))));
6673     assert(NegInfInterval!Date(Date(2012, 3, 1)).isBefore(PosInfInterval!Date(Date(2012, 3, 1))));
6675     assert(!NegInfInterval!Date(Date(2012, 3, 1)).isBefore(NegInfInterval!Date(Date(1996, 5, 4))));
6676     assert(!NegInfInterval!Date(Date(2012, 3, 1)).isBefore(NegInfInterval!Date(Date(2013, 7, 9))));
6684     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6686     assert(!negInfInterval.isAfter(Date(2009, 7, 4)));
6687     assert(!negInfInterval.isAfter(Date(2010, 7, 3)));
6688     assert(!negInfInterval.isAfter(Date(2010, 7, 4)));
6689     assert(!negInfInterval.isAfter(Date(2010, 7, 5)));
6690     assert(!negInfInterval.isAfter(Date(2011, 7, 1)));
6691     assert(!negInfInterval.isAfter(Date(2012, 1, 6)));
6692     assert(!negInfInterval.isAfter(Date(2012, 1, 7)));
6693     assert(!negInfInterval.isAfter(Date(2012, 1, 8)));
6694     assert(!negInfInterval.isAfter(Date(2013, 1, 7)));
6696     const cdate = Date(2010, 7, 6);
6697     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6698     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6709     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6711     static void testInterval(in NegInfInterval!Date negInfInterval, in Interval!Date interval)
6716 …assertThrown!DateTimeException(testInterval(negInfInterval, Interval!Date(Date(2010, 7, 4), dur!"d…
6719     assert(!negInfInterval.isAfter(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3))));
6720     assert(!negInfInterval.isAfter(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))));
6721     assert(!negInfInterval.isAfter(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4))));
6722     assert(!negInfInterval.isAfter(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))));
6723     assert(!negInfInterval.isAfter(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))));
6724     assert(!negInfInterval.isAfter(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))));
6725     assert(!negInfInterval.isAfter(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))));
6726     assert(!negInfInterval.isAfter(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))));
6727     assert(!negInfInterval.isAfter(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))));
6728     assert(!negInfInterval.isAfter(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))));
6729     assert(!negInfInterval.isAfter(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8))));
6730     assert(!negInfInterval.isAfter(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9))));
6732     assert(!negInfInterval.isAfter(NegInfInterval!Date(Date(2010, 7, 3))));
6733     assert(!negInfInterval.isAfter(NegInfInterval!Date(Date(2010, 7, 4))));
6734     assert(!negInfInterval.isAfter(NegInfInterval!Date(Date(2010, 7, 5))));
6735     assert(!negInfInterval.isAfter(NegInfInterval!Date(Date(2012, 1, 6))));
6736     assert(!negInfInterval.isAfter(NegInfInterval!Date(Date(2012, 1, 7))));
6737     assert(!negInfInterval.isAfter(NegInfInterval!Date(Date(2012, 1, 8))));
6739     assert(!NegInfInterval!Date(Date(2010, 7, 3)).isAfter(negInfInterval));
6740     assert(!NegInfInterval!Date(Date(2010, 7, 4)).isAfter(negInfInterval));
6741     assert(!NegInfInterval!Date(Date(2010, 7, 5)).isAfter(negInfInterval));
6742     assert(!NegInfInterval!Date(Date(2012, 1, 6)).isAfter(negInfInterval));
6743     assert(!NegInfInterval!Date(Date(2012, 1, 7)).isAfter(negInfInterval));
6744     assert(!NegInfInterval!Date(Date(2012, 1, 8)).isAfter(negInfInterval));
6746     assert(!negInfInterval.isAfter(PosInfInterval!Date(Date(2010, 7, 3))));
6747     assert(!negInfInterval.isAfter(PosInfInterval!Date(Date(2010, 7, 4))));
6748     assert(!negInfInterval.isAfter(PosInfInterval!Date(Date(2010, 7, 5))));
6749     assert(!negInfInterval.isAfter(PosInfInterval!Date(Date(2012, 1, 6))));
6750     assert(!negInfInterval.isAfter(PosInfInterval!Date(Date(2012, 1, 7))));
6751     assert(!negInfInterval.isAfter(PosInfInterval!Date(Date(2012, 1, 8))));
6753     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
6754     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
6755     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
6756     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
6757     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
6758     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
6759     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6760     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6790     assert(!NegInfInterval!Date(Date(2012, 3, 1)).isAfter(Date(1994, 12, 24)));
6791     assert(!NegInfInterval!Date(Date(2012, 3, 1)).isAfter(Date(2000, 1, 5)));
6792     assert(!NegInfInterval!Date(Date(2012, 3, 1)).isAfter(Date(2012, 3, 1)));
6794 …assert(!NegInfInterval!Date(Date(2012, 3, 1)).isAfter(Interval!Date(Date(1990, 7, 6), Date(2000, 8…
6795 …assert(!NegInfInterval!Date(Date(2012, 3, 1)).isAfter(Interval!Date(Date(1999, 1, 12), Date(2011, …
6796 …assert(!NegInfInterval!Date(Date(2012, 3, 1)).isAfter(Interval!Date(Date(2022, 10, 19), Date(2027,…
6798     assert(!NegInfInterval!Date(Date(2012, 3, 1)).isAfter(PosInfInterval!Date(Date(1999, 5, 4))));
6799     assert(!NegInfInterval!Date(Date(2012, 3, 1)).isAfter(PosInfInterval!Date(Date(2012, 3, 1))));
6801     assert(!NegInfInterval!Date(Date(2012, 3, 1)).isAfter(NegInfInterval!Date(Date(1996, 5, 4))));
6802     assert(!NegInfInterval!Date(Date(2012, 3, 1)).isAfter(NegInfInterval!Date(Date(2013, 7, 9))));
6810     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6812     static void testInterval(in NegInfInterval!Date negInfInterval, in Interval!Date interval)
6817 …assertThrown!DateTimeException(testInterval(negInfInterval, Interval!Date(Date(2010, 7, 4), dur!"d…
6820     assert(negInfInterval.intersects(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3))));
6821     assert(negInfInterval.intersects(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))));
6822     assert(negInfInterval.intersects(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4))));
6823     assert(negInfInterval.intersects(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))));
6824     assert(negInfInterval.intersects(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))));
6825     assert(negInfInterval.intersects(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))));
6826     assert(negInfInterval.intersects(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))));
6827     assert(negInfInterval.intersects(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))));
6828     assert(negInfInterval.intersects(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))));
6829     assert(negInfInterval.intersects(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))));
6830     assert(!negInfInterval.intersects(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8))));
6831     assert(!negInfInterval.intersects(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9))));
6833     assert(negInfInterval.intersects(NegInfInterval!Date(Date(2010, 7, 3))));
6834     assert(negInfInterval.intersects(NegInfInterval!Date(Date(2010, 7, 4))));
6835     assert(negInfInterval.intersects(NegInfInterval!Date(Date(2010, 7, 5))));
6836     assert(negInfInterval.intersects(NegInfInterval!Date(Date(2012, 1, 6))));
6837     assert(negInfInterval.intersects(NegInfInterval!Date(Date(2012, 1, 7))));
6838     assert(negInfInterval.intersects(NegInfInterval!Date(Date(2012, 1, 8))));
6840     assert(NegInfInterval!Date(Date(2010, 7, 3)).intersects(negInfInterval));
6841     assert(NegInfInterval!Date(Date(2010, 7, 4)).intersects(negInfInterval));
6842     assert(NegInfInterval!Date(Date(2010, 7, 5)).intersects(negInfInterval));
6843     assert(NegInfInterval!Date(Date(2012, 1, 6)).intersects(negInfInterval));
6844     assert(NegInfInterval!Date(Date(2012, 1, 7)).intersects(negInfInterval));
6845     assert(NegInfInterval!Date(Date(2012, 1, 8)).intersects(negInfInterval));
6847     assert(negInfInterval.intersects(PosInfInterval!Date(Date(2010, 7, 3))));
6848     assert(negInfInterval.intersects(PosInfInterval!Date(Date(2010, 7, 4))));
6849     assert(negInfInterval.intersects(PosInfInterval!Date(Date(2010, 7, 5))));
6850     assert(negInfInterval.intersects(PosInfInterval!Date(Date(2012, 1, 6))));
6851     assert(!negInfInterval.intersects(PosInfInterval!Date(Date(2012, 1, 7))));
6852     assert(!negInfInterval.intersects(PosInfInterval!Date(Date(2012, 1, 8))));
6854     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
6855     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
6856     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
6857     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
6858     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
6859     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
6860     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6861     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6891 …assert(NegInfInterval!Date(Date(2012, 3, 1)).intersects(Interval!Date(Date(1990, 7, 6), Date(2000,…
6892 …assert(NegInfInterval!Date(Date(2012, 3, 1)).intersects(Interval!Date(Date(1999, 1, 12), Date(2011…
6893 …assert(!NegInfInterval!Date(Date(2012, 3, 1)).intersects(Interval!Date(Date(2022, 10, 19), Date(20…
6895     assert(NegInfInterval!Date(Date(2012, 3, 1)).intersects(PosInfInterval!Date(Date(1999, 5, 4))));
6896 …  assert(!NegInfInterval!Date(Date(2012, 3, 1)).intersects(PosInfInterval!Date(Date(2012, 3, 1))));
6898     assert(NegInfInterval!Date(Date(2012, 3, 1)).intersects(NegInfInterval!Date(Date(1996, 5, 4))));
6899     assert(NegInfInterval!Date(Date(2012, 3, 1)).intersects(NegInfInterval!Date(Date(2013, 7, 9))));
6907     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6914 …assertThrown!DateTimeException(testInterval(negInfInterval, Interval!Date(Date(2010, 7, 4), dur!"d…
6916 …Thrown!DateTimeException(testInterval(negInfInterval, Interval!Date(Date(2012, 1, 7), Date(2012, 1…
6917 …Thrown!DateTimeException(testInterval(negInfInterval, Interval!Date(Date(2012, 1, 8), Date(2012, 1…
6919 …assertThrown!DateTimeException(testInterval(negInfInterval, PosInfInterval!Date(Date(2012, 1, 7)))…
6920 …assertThrown!DateTimeException(testInterval(negInfInterval, PosInfInterval!Date(Date(2012, 1, 8)))…
6923     assert(negInfInterval.intersection(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3))) ==
6924            Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3)));
6925     assert(negInfInterval.intersection(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))) ==
6926            Interval!Date(Date(2010, 7, 1), Date(2012, 1, 7)));
6927     assert(negInfInterval.intersection(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4))) ==
6928            Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4)));
6929     assert(negInfInterval.intersection(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))) ==
6930            Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5)));
6931     assert(negInfInterval.intersection(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))) ==
6932            Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7)));
6933     assert(negInfInterval.intersection(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))) ==
6934            Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7)));
6935     assert(negInfInterval.intersection(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))) ==
6936            Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6)));
6937     assert(negInfInterval.intersection(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))) ==
6938            Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7)));
6939     assert(negInfInterval.intersection(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))) ==
6940            Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7)));
6941     assert(negInfInterval.intersection(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))) ==
6942            Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7)));
6944 …assert(negInfInterval.intersection(NegInfInterval!Date(Date(2010, 7, 3))) == NegInfInterval!Date(D…
6945 …assert(negInfInterval.intersection(NegInfInterval!Date(Date(2010, 7, 4))) == NegInfInterval!Date(D…
6946 …assert(negInfInterval.intersection(NegInfInterval!Date(Date(2010, 7, 5))) == NegInfInterval!Date(D…
6947 …assert(negInfInterval.intersection(NegInfInterval!Date(Date(2012, 1, 6))) == NegInfInterval!Date(D…
6948 …assert(negInfInterval.intersection(NegInfInterval!Date(Date(2012, 1, 7))) == NegInfInterval!Date(D…
6949 …assert(negInfInterval.intersection(NegInfInterval!Date(Date(2012, 1, 8))) == NegInfInterval!Date(D…
6951 …assert(NegInfInterval!Date(Date(2010, 7, 3)).intersection(negInfInterval) == NegInfInterval!Date(D…
6952 …assert(NegInfInterval!Date(Date(2010, 7, 4)).intersection(negInfInterval) == NegInfInterval!Date(D…
6953 …assert(NegInfInterval!Date(Date(2010, 7, 5)).intersection(negInfInterval) == NegInfInterval!Date(D…
6954 …assert(NegInfInterval!Date(Date(2012, 1, 6)).intersection(negInfInterval) == NegInfInterval!Date(D…
6955 …assert(NegInfInterval!Date(Date(2012, 1, 7)).intersection(negInfInterval) == NegInfInterval!Date(D…
6956 …assert(NegInfInterval!Date(Date(2012, 1, 8)).intersection(negInfInterval) == NegInfInterval!Date(D…
6958     assert(negInfInterval.intersection(PosInfInterval!Date(Date(2010, 7, 3))) ==
6959            Interval!Date(Date(2010, 7, 3), Date(2012, 1 ,7)));
6960     assert(negInfInterval.intersection(PosInfInterval!Date(Date(2010, 7, 4))) ==
6961            Interval!Date(Date(2010, 7, 4), Date(2012, 1 ,7)));
6962     assert(negInfInterval.intersection(PosInfInterval!Date(Date(2010, 7, 5))) ==
6963            Interval!Date(Date(2010, 7, 5), Date(2012, 1 ,7)));
6964     assert(negInfInterval.intersection(PosInfInterval!Date(Date(2012, 1, 6))) ==
6965            Interval!Date(Date(2012, 1, 6), Date(2012, 1 ,7)));
6967     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
6968     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
6969     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
6970     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
6971     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
6972     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
6973     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
6974     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
7004 …assert(NegInfInterval!Date(Date(2012, 3, 1)).intersection(Interval!Date(Date(1990, 7, 6), Date(200…
7005            Interval!Date(Date(1990, 7, 6), Date(2000, 8, 2)));
7006 …assert(NegInfInterval!Date(Date(2012, 3, 1)).intersection(Interval!Date(Date(1999, 1, 12), Date(20…
7007            Interval!Date(Date(1999, 1, 12), Date(2012, 3, 1)));
7009 …assert(NegInfInterval!Date(Date(2012, 3, 1)).intersection(PosInfInterval!Date(Date(1990, 7, 6))) ==
7010            Interval!Date(Date(1990, 7, 6), Date(2012, 3, 1)));
7011 …assert(NegInfInterval!Date(Date(2012, 3, 1)).intersection(PosInfInterval!Date(Date(1999, 1, 12))) …
7012            Interval!Date(Date(1999, 1, 12), Date(2012, 3, 1)));
7014 …assert(NegInfInterval!Date(Date(2012, 3, 1)).intersection(NegInfInterval!Date(Date(1999, 7, 6))) ==
7015            NegInfInterval!Date(Date(1999, 7, 6)));
7016 …assert(NegInfInterval!Date(Date(2012, 3, 1)).intersection(NegInfInterval!Date(Date(2013, 1, 12))) …
7017            NegInfInterval!Date(Date(2012, 3, 1)));
7025     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
7027     static void testInterval(in NegInfInterval!Date negInfInterval, in Interval!Date interval)
7032 …assertThrown!DateTimeException(testInterval(negInfInterval, Interval!Date(Date(2010, 7, 4), dur!"d…
7035     assert(!negInfInterval.isAdjacent(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3))));
7036     assert(!negInfInterval.isAdjacent(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))));
7037     assert(!negInfInterval.isAdjacent(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4))));
7038     assert(!negInfInterval.isAdjacent(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))));
7039     assert(!negInfInterval.isAdjacent(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))));
7040     assert(!negInfInterval.isAdjacent(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))));
7041     assert(!negInfInterval.isAdjacent(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))));
7042     assert(!negInfInterval.isAdjacent(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))));
7043     assert(!negInfInterval.isAdjacent(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))));
7044     assert(!negInfInterval.isAdjacent(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))));
7045     assert(negInfInterval.isAdjacent(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8))));
7046     assert(!negInfInterval.isAdjacent(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9))));
7048     assert(!negInfInterval.isAdjacent(NegInfInterval!Date(Date(2010, 7, 3))));
7049     assert(!negInfInterval.isAdjacent(NegInfInterval!Date(Date(2010, 7, 4))));
7050     assert(!negInfInterval.isAdjacent(NegInfInterval!Date(Date(2010, 7, 5))));
7051     assert(!negInfInterval.isAdjacent(NegInfInterval!Date(Date(2012, 1, 6))));
7052     assert(!negInfInterval.isAdjacent(NegInfInterval!Date(Date(2012, 1, 7))));
7053     assert(!negInfInterval.isAdjacent(NegInfInterval!Date(Date(2012, 1, 8))));
7055     assert(!NegInfInterval!Date(Date(2010, 7, 3)).isAdjacent(negInfInterval));
7056     assert(!NegInfInterval!Date(Date(2010, 7, 4)).isAdjacent(negInfInterval));
7057     assert(!NegInfInterval!Date(Date(2010, 7, 5)).isAdjacent(negInfInterval));
7058     assert(!NegInfInterval!Date(Date(2012, 1, 6)).isAdjacent(negInfInterval));
7059     assert(!NegInfInterval!Date(Date(2012, 1, 7)).isAdjacent(negInfInterval));
7060     assert(!NegInfInterval!Date(Date(2012, 1, 8)).isAdjacent(negInfInterval));
7062     assert(!negInfInterval.isAdjacent(PosInfInterval!Date(Date(2010, 7, 3))));
7063     assert(!negInfInterval.isAdjacent(PosInfInterval!Date(Date(2010, 7, 4))));
7064     assert(!negInfInterval.isAdjacent(PosInfInterval!Date(Date(2010, 7, 5))));
7065     assert(!negInfInterval.isAdjacent(PosInfInterval!Date(Date(2012, 1, 6))));
7066     assert(negInfInterval.isAdjacent(PosInfInterval!Date(Date(2012, 1, 7))));
7067     assert(!negInfInterval.isAdjacent(PosInfInterval!Date(Date(2012, 1, 8))));
7069     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
7070     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
7071     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
7072     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
7073     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
7074     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
7075     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
7076     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
7106 …assert(!NegInfInterval!Date(Date(2012, 3, 1)).isAdjacent(Interval!Date(Date(1990, 7, 6), Date(2000…
7107 …assert(!NegInfInterval!Date(Date(2012, 3, 1)).isAdjacent(Interval!Date(Date(1999, 1, 12), Date(201…
7108 …assert(NegInfInterval!Date(Date(2012, 3, 1)).isAdjacent(Interval!Date(Date(2012, 3, 1), Date(2019,…
7109 …assert(!NegInfInterval!Date(Date(2012, 3, 1)).isAdjacent(Interval!Date(Date(2022, 10, 19), Date(20…
7111 …  assert(!NegInfInterval!Date(Date(2012, 3, 1)).isAdjacent(PosInfInterval!Date(Date(1999, 5, 4))));
7112     assert(NegInfInterval!Date(Date(2012, 3, 1)).isAdjacent(PosInfInterval!Date(Date(2012, 3, 1))));
7114 …  assert(!NegInfInterval!Date(Date(2012, 3, 1)).isAdjacent(NegInfInterval!Date(Date(1996, 5, 4))));
7115 …  assert(!NegInfInterval!Date(Date(2012, 3, 1)).isAdjacent(NegInfInterval!Date(Date(2012, 3, 1))));
7123     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
7130 …assertThrown!DateTimeException(testInterval(negInfInterval, Interval!Date(Date(2010, 7, 4), dur!"d…
7132 …Thrown!DateTimeException(testInterval(negInfInterval, Interval!Date(Date(2012, 1, 8), Date(2012, 1…
7135     assert(negInfInterval.merge(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3))) ==
7136            NegInfInterval!Date(Date(2012, 1, 7)));
7137     assert(negInfInterval.merge(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))) ==
7138            NegInfInterval!Date(Date(2013, 7, 3)));
7139     assert(negInfInterval.merge(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4))) ==
7140            NegInfInterval!Date(Date(2012, 1, 7)));
7141     assert(negInfInterval.merge(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))) ==
7142            NegInfInterval!Date(Date(2012, 1, 7)));
7143     assert(negInfInterval.merge(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))) ==
7144            NegInfInterval!Date(Date(2012, 1, 7)));
7145     assert(negInfInterval.merge(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))) ==
7146            NegInfInterval!Date(Date(2012, 1, 8)));
7147     assert(negInfInterval.merge(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))) ==
7148            NegInfInterval!Date(Date(2012, 1, 7)));
7149     assert(negInfInterval.merge(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))) ==
7150            NegInfInterval!Date(Date(2012, 1, 7)));
7151     assert(negInfInterval.merge(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))) ==
7152            NegInfInterval!Date(Date(2012, 1, 7)));
7153     assert(negInfInterval.merge(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))) ==
7154            NegInfInterval!Date(Date(2012, 1, 8)));
7155     assert(negInfInterval.merge(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8))) ==
7156            NegInfInterval!Date(Date(2012, 1, 8)));
7158 …assert(negInfInterval.merge(NegInfInterval!Date(Date(2010, 7, 3))) == NegInfInterval!Date(Date(201…
7159 …assert(negInfInterval.merge(NegInfInterval!Date(Date(2010, 7, 4))) == NegInfInterval!Date(Date(201…
7160 …assert(negInfInterval.merge(NegInfInterval!Date(Date(2010, 7, 5))) == NegInfInterval!Date(Date(201…
7161 …assert(negInfInterval.merge(NegInfInterval!Date(Date(2012, 1, 6))) == NegInfInterval!Date(Date(201…
7162 …assert(negInfInterval.merge(NegInfInterval!Date(Date(2012, 1, 7))) == NegInfInterval!Date(Date(201…
7163 …assert(negInfInterval.merge(NegInfInterval!Date(Date(2012, 1, 8))) == NegInfInterval!Date(Date(201…
7165 …assert(NegInfInterval!Date(Date(2010, 7, 3)).merge(negInfInterval) == NegInfInterval!Date(Date(201…
7166 …assert(NegInfInterval!Date(Date(2010, 7, 4)).merge(negInfInterval) == NegInfInterval!Date(Date(201…
7167 …assert(NegInfInterval!Date(Date(2010, 7, 5)).merge(negInfInterval) == NegInfInterval!Date(Date(201…
7168 …assert(NegInfInterval!Date(Date(2012, 1, 6)).merge(negInfInterval) == NegInfInterval!Date(Date(201…
7169 …assert(NegInfInterval!Date(Date(2012, 1, 7)).merge(negInfInterval) == NegInfInterval!Date(Date(201…
7170 …assert(NegInfInterval!Date(Date(2012, 1, 8)).merge(negInfInterval) == NegInfInterval!Date(Date(201…
7172     static assert(!__traits(compiles, negInfInterval.merge(PosInfInterval!Date(Date(2010, 7, 3)))));
7173     static assert(!__traits(compiles, negInfInterval.merge(PosInfInterval!Date(Date(2010, 7, 4)))));
7174     static assert(!__traits(compiles, negInfInterval.merge(PosInfInterval!Date(Date(2010, 7, 5)))));
7175     static assert(!__traits(compiles, negInfInterval.merge(PosInfInterval!Date(Date(2012, 1, 6)))));
7176     static assert(!__traits(compiles, negInfInterval.merge(PosInfInterval!Date(Date(2012, 1, 7)))));
7177     static assert(!__traits(compiles, negInfInterval.merge(PosInfInterval!Date(Date(2012, 1, 8)))));
7179     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
7180     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
7181     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
7182     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
7183     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
7184     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
7185     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
7186     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
7216 …assert(NegInfInterval!Date(Date(2012, 3, 1)).merge(Interval!Date(Date(1990, 7, 6), Date(2000, 8, 2…
7217            NegInfInterval!Date(Date(2012, 3, 1)));
7218 …assert(NegInfInterval!Date(Date(2012, 3, 1)).merge(Interval!Date(Date(1999, 1, 12), Date(2015, 9, …
7219            NegInfInterval!Date(Date(2015, 9, 2)));
7221     assert(NegInfInterval!Date(Date(2012, 3, 1)).merge(NegInfInterval!Date(Date(1999, 7, 6))) ==
7222            NegInfInterval!Date(Date(2012, 3, 1)));
7223     assert(NegInfInterval!Date(Date(2012, 3, 1)).merge(NegInfInterval!Date(Date(2013, 1, 12))) ==
7224            NegInfInterval!Date(Date(2013, 1, 12)));
7232     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
7239 …assertThrown!DateTimeException(testInterval(negInfInterval, Interval!Date(Date(2010, 7, 4), dur!"d…
7242     assert(negInfInterval.span(Interval!Date(Date(2010, 7, 1), Date(2010, 7, 3))) ==
7243            NegInfInterval!Date(Date(2012, 1, 7)));
7244     assert(negInfInterval.span(Interval!Date(Date(2010, 7, 1), Date(2013, 7, 3))) ==
7245            NegInfInterval!Date(Date(2013, 7, 3)));
7246     assert(negInfInterval.span(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 4))) ==
7247            NegInfInterval!Date(Date(2012, 1, 7)));
7248     assert(negInfInterval.span(Interval!Date(Date(2010, 7, 3), Date(2010, 7, 5))) ==
7249            NegInfInterval!Date(Date(2012, 1, 7)));
7250     assert(negInfInterval.span(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 7))) ==
7251            NegInfInterval!Date(Date(2012, 1, 7)));
7252     assert(negInfInterval.span(Interval!Date(Date(2010, 7, 3), Date(2012, 1, 8))) ==
7253            NegInfInterval!Date(Date(2012, 1, 8)));
7254     assert(negInfInterval.span(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 6))) ==
7255            NegInfInterval!Date(Date(2012, 1, 7)));
7256     assert(negInfInterval.span(Interval!Date(Date(2010, 7, 5), Date(2012, 1, 7))) ==
7257            NegInfInterval!Date(Date(2012, 1, 7)));
7258     assert(negInfInterval.span(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 7))) ==
7259            NegInfInterval!Date(Date(2012, 1, 7)));
7260     assert(negInfInterval.span(Interval!Date(Date(2012, 1, 6), Date(2012, 1, 8))) ==
7261            NegInfInterval!Date(Date(2012, 1, 8)));
7262     assert(negInfInterval.span(Interval!Date(Date(2012, 1, 7), Date(2012, 1, 8))) ==
7263            NegInfInterval!Date(Date(2012, 1, 8)));
7264     assert(negInfInterval.span(Interval!Date(Date(2012, 1, 8), Date(2012, 1, 9))) ==
7265            NegInfInterval!Date(Date(2012, 1, 9)));
7267 …assert(negInfInterval.span(NegInfInterval!Date(Date(2010, 7, 3))) == NegInfInterval!Date(Date(2012…
7268 …assert(negInfInterval.span(NegInfInterval!Date(Date(2010, 7, 4))) == NegInfInterval!Date(Date(2012…
7269 …assert(negInfInterval.span(NegInfInterval!Date(Date(2010, 7, 5))) == NegInfInterval!Date(Date(2012…
7270 …assert(negInfInterval.span(NegInfInterval!Date(Date(2012, 1, 6))) == NegInfInterval!Date(Date(2012…
7271 …assert(negInfInterval.span(NegInfInterval!Date(Date(2012, 1, 7))) == NegInfInterval!Date(Date(2012…
7272 …assert(negInfInterval.span(NegInfInterval!Date(Date(2012, 1, 8))) == NegInfInterval!Date(Date(2012…
7274 …assert(NegInfInterval!Date(Date(2010, 7, 3)).span(negInfInterval) == NegInfInterval!Date(Date(2012…
7275 …assert(NegInfInterval!Date(Date(2010, 7, 4)).span(negInfInterval) == NegInfInterval!Date(Date(2012…
7276 …assert(NegInfInterval!Date(Date(2010, 7, 5)).span(negInfInterval) == NegInfInterval!Date(Date(2012…
7277 …assert(NegInfInterval!Date(Date(2012, 1, 6)).span(negInfInterval) == NegInfInterval!Date(Date(2012…
7278 …assert(NegInfInterval!Date(Date(2012, 1, 7)).span(negInfInterval) == NegInfInterval!Date(Date(2012…
7279 …assert(NegInfInterval!Date(Date(2012, 1, 8)).span(negInfInterval) == NegInfInterval!Date(Date(2012…
7281     static assert(!__traits(compiles, negInfInterval.span(PosInfInterval!Date(Date(2010, 7, 3)))));
7282     static assert(!__traits(compiles, negInfInterval.span(PosInfInterval!Date(Date(2010, 7, 4)))));
7283     static assert(!__traits(compiles, negInfInterval.span(PosInfInterval!Date(Date(2010, 7, 5)))));
7284     static assert(!__traits(compiles, negInfInterval.span(PosInfInterval!Date(Date(2012, 1, 6)))));
7285     static assert(!__traits(compiles, negInfInterval.span(PosInfInterval!Date(Date(2012, 1, 7)))));
7286     static assert(!__traits(compiles, negInfInterval.span(PosInfInterval!Date(Date(2012, 1, 8)))));
7288     auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
7289     const cInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
7290     immutable iInterval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
7291     auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
7292     const cPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
7293     immutable iPosInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
7294     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
7295     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
7325 …assert(NegInfInterval!Date(Date(2012, 3, 1)).span(Interval!Date(Date(1990, 7, 6), Date(2000, 8, 2)…
7326            NegInfInterval!Date(Date(2012, 3, 1)));
7327 …assert(NegInfInterval!Date(Date(2012, 3, 1)).span(Interval!Date(Date(1999, 1, 12), Date(2015, 9, 2…
7328            NegInfInterval!Date(Date(2015, 9, 2)));
7329 …assert(NegInfInterval!Date(Date(1600, 1, 7)).span(Interval!Date(Date(2012, 3, 11), Date(2017, 7, 1…
7330            NegInfInterval!Date(Date(2017, 7, 1)));
7332     assert(NegInfInterval!Date(Date(2012, 3, 1)).span(NegInfInterval!Date(Date(1999, 7, 6))) ==
7333            NegInfInterval!Date(Date(2012, 3, 1)));
7334     assert(NegInfInterval!Date(Date(2012, 3, 1)).span(NegInfInterval!Date(Date(2013, 1, 12))) ==
7335            NegInfInterval!Date(Date(2013, 1, 12)));
7343     auto interval = NegInfInterval!Date(Date(2012, 1, 7));
7351     testInterval(interval, dur!"days"(22), NegInfInterval!Date(Date(2012, 1, 29)));
7352     testInterval(interval, dur!"days"(-22), NegInfInterval!Date(Date(2011, 12, 16)));
7354     const cInterval = NegInfInterval!Date(Date(2012, 1, 7));
7355     immutable iInterval = NegInfInterval!Date(Date(2012, 1, 7));
7360     auto interval1 = NegInfInterval!Date(Date(2012, 4, 5));
7361     auto interval2 = NegInfInterval!Date(Date(2012, 4, 5));
7364     assert(interval1 == NegInfInterval!Date(Date(2012, 5, 25)));
7367     assert(interval2 == NegInfInterval!Date( Date(2012, 2, 15)));
7376         auto interval = NegInfInterval!Date(Date(2012, 1, 7));
7390         testInterval(interval, 5, 0, AllowDayOverflow.yes, NegInfInterval!Date(Date(2017, 1, 7)));
7391         testInterval(interval, -5, 0, AllowDayOverflow.yes, NegInfInterval!Date(Date(2007, 1, 7)));
7393         auto interval2 = NegInfInterval!Date(Date(2010, 5, 31));
7395         testInterval(interval2, 1, 1, AllowDayOverflow.yes, NegInfInterval!Date(Date(2011, 7, 1)));
7396         testInterval(interval2, 1, -1, AllowDayOverflow.yes, NegInfInterval!Date(Date(2011, 5, 1)));
7397 …      testInterval(interval2, -1, -1, AllowDayOverflow.yes, NegInfInterval!Date(Date(2009, 5, 1)));
7398         testInterval(interval2, -1, 1, AllowDayOverflow.yes, NegInfInterval!Date(Date(2009, 7, 1)));
7400         testInterval(interval2, 1, 1, AllowDayOverflow.no, NegInfInterval!Date(Date(2011, 6, 30)));
7401         testInterval(interval2, 1, -1, AllowDayOverflow.no, NegInfInterval!Date(Date(2011, 4, 30)));
7402 …      testInterval(interval2, -1, -1, AllowDayOverflow.no, NegInfInterval!Date(Date(2009, 4, 30)));
7403         testInterval(interval2, -1, 1, AllowDayOverflow.no, NegInfInterval!Date(Date(2009, 6, 30)));
7406     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
7407     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
7412     auto interval1 = NegInfInterval!Date(Date(2012, 3, 1));
7413     auto interval2 = NegInfInterval!Date(Date(2012, 3, 1));
7416     assert(interval1 == NegInfInterval!Date(Date(2014, 3, 1)));
7419     assert(interval2 == NegInfInterval!Date(Date(2010, 3, 1)));
7427     auto interval = NegInfInterval!Date(Date(2012, 1, 7));
7435     testInterval(interval, dur!"days"(22), NegInfInterval!Date(Date(2012, 1, 29)));
7436     testInterval(interval, dur!"days"(-22), NegInfInterval!Date(Date(2011, 12, 16)));
7438     const cInterval = NegInfInterval!Date(Date(2012, 1, 7));
7439     immutable iInterval = NegInfInterval!Date(Date(2012, 1, 7));
7444     auto interval1 = NegInfInterval!Date(Date(2012, 3, 1));
7445     auto interval2 = NegInfInterval!Date(Date(2012, 3, 1));
7448     assert(interval1 == NegInfInterval!Date(Date(2012, 3, 3)));
7451     assert(interval2 == NegInfInterval!Date(Date(2012, 2, 28)));
7460         auto interval = NegInfInterval!Date(Date(2012, 1, 7));
7469         testInterval(interval, 5, 0, AllowDayOverflow.yes, NegInfInterval!Date(Date(2017, 1, 7)));
7470         testInterval(interval, -5, 0, AllowDayOverflow.yes, NegInfInterval!Date(Date(2007, 1, 7)));
7472         auto interval2 = NegInfInterval!Date(Date(2010, 5, 31));
7474         testInterval(interval2, 1, 1, AllowDayOverflow.yes, NegInfInterval!Date(Date(2011, 7, 1)));
7475         testInterval(interval2, 1, -1, AllowDayOverflow.yes, NegInfInterval!Date(Date(2011, 5, 1)));
7476 …      testInterval(interval2, -1, -1, AllowDayOverflow.yes, NegInfInterval!Date(Date(2009, 5, 1)));
7477         testInterval(interval2, -1, 1, AllowDayOverflow.yes, NegInfInterval!Date(Date(2009, 7, 1)));
7479         testInterval(interval2, 1, 1, AllowDayOverflow.no, NegInfInterval!Date(Date(2011, 6, 30)));
7480         testInterval(interval2, 1, -1, AllowDayOverflow.no, NegInfInterval!Date(Date(2011, 4, 30)));
7481 …      testInterval(interval2, -1, -1, AllowDayOverflow.no, NegInfInterval!Date(Date(2009, 4, 30)));
7482 …      testInterval(interval2, -1, 1, AllowDayOverflow.no, NegInfInterval!Date( Date(2009, 6, 30)));
7485     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
7486     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
7491     auto interval1 = NegInfInterval!Date(Date(2012, 3, 1));
7492     auto interval2 = NegInfInterval!Date(Date(2012, 3, 1));
7495     assert(interval1 == NegInfInterval!Date(Date(2014, 3, 1)));
7498     assert(interval2 == NegInfInterval!Date(Date(2010, 3, 1)));
7506     auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
7508     static void testInterval(NegInfInterval!Date negInfInterval)
7510         negInfInterval.bwdRange(everyDayOfWeek!(Date, Direction.fwd)(DayOfWeek.fri)).popFront();
7515 …assert(NegInfInterval!Date(Date(2010, 10, 1)).bwdRange(everyDayOfWeek!(Date, Direction.bwd)(DayOfW…
7516            Date(2010, 10, 1));
7518     assert(NegInfInterval!Date(Date(2010, 10, 1)).bwdRange(
7519 …    everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.fri), PopFirst.yes).front == Date(2010, 9, 24));
7522     auto interval = NegInfInterval!Date(Date(2010, 9, 9));
7523     auto func = delegate (in Date date)  in delegate()
7532     assert(range.front == Date(2010, 9, 9));
7535     assert(range.front == Date(2010, 9, 8));
7538     assert(range.front == Date(2010, 9, 6));
7541     assert(range.front == Date(2010, 9, 4));
7544     assert(range.front == Date(2010, 9, 2));
7549     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
7550     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
7551     assert(!cNegInfInterval.bwdRange(everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.fri)).empty);
7552     assert(!iNegInfInterval.bwdRange(everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.fri)).empty);
7560     assert(NegInfInterval!Date(Date(2012, 1, 7)).toString() == "[-∞ - 2012-Jan-07)");
7562     const cNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
7563     immutable iNegInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
7612     import std.datetime.date : Date, DayOfWeek;
7614     auto interval = Interval!Date(Date(2010, 9, 2), Date(2010, 9, 27));
7615     auto func = everyDayOfWeek!Date(DayOfWeek.mon);
7619     assert(range.front == Date(2010, 9, 2));
7622     assert(range.front == Date(2010, 9, 6));
7625     assert(range.front == Date(2010, 9, 13));
7628     assert(range.front == Date(2010, 9, 20));
7639     auto funcFwd = everyDayOfWeek!Date(DayOfWeek.mon);
7640     auto funcBwd = everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.mon);
7642     assert(funcFwd(Date(2010, 8, 28)) == Date(2010, 8, 30));
7643     assert(funcFwd(Date(2010, 8, 29)) == Date(2010, 8, 30));
7644     assert(funcFwd(Date(2010, 8, 30)) == Date(2010, 9, 6));
7645     assert(funcFwd(Date(2010, 8, 31)) == Date(2010, 9, 6));
7646     assert(funcFwd(Date(2010, 9, 1)) == Date(2010, 9, 6));
7647     assert(funcFwd(Date(2010, 9, 2)) == Date(2010, 9, 6));
7648     assert(funcFwd(Date(2010, 9, 3)) == Date(2010, 9, 6));
7649     assert(funcFwd(Date(2010, 9, 4)) == Date(2010, 9, 6));
7650     assert(funcFwd(Date(2010, 9, 5)) == Date(2010, 9, 6));
7651     assert(funcFwd(Date(2010, 9, 6)) == Date(2010, 9, 13));
7652     assert(funcFwd(Date(2010, 9, 7)) == Date(2010, 9, 13));
7654     assert(funcBwd(Date(2010, 8, 28)) == Date(2010, 8, 23));
7655     assert(funcBwd(Date(2010, 8, 29)) == Date(2010, 8, 23));
7656     assert(funcBwd(Date(2010, 8, 30)) == Date(2010, 8, 23));
7657     assert(funcBwd(Date(2010, 8, 31)) == Date(2010, 8, 30));
7658     assert(funcBwd(Date(2010, 9, 1)) == Date(2010, 8, 30));
7659     assert(funcBwd(Date(2010, 9, 2)) == Date(2010, 8, 30));
7660     assert(funcBwd(Date(2010, 9, 3)) == Date(2010, 8, 30));
7661     assert(funcBwd(Date(2010, 9, 4)) == Date(2010, 8, 30));
7662     assert(funcBwd(Date(2010, 9, 5)) == Date(2010, 8, 30));
7663     assert(funcBwd(Date(2010, 9, 6)) == Date(2010, 8, 30));
7664     assert(funcBwd(Date(2010, 9, 7)) == Date(2010, 9, 6));
7971     import std.datetime.date : AllowDayOverflow, Date;
7973     auto interval = Interval!Date(Date(2010, 9, 2), Date(2025, 9, 27));
7974     auto func = everyDuration!Date(4, 1, AllowDayOverflow.yes, dur!"days"(2));
7978     assert(range.front == Date(2010, 9, 2));
7981     assert(range.front == Date(2014, 10, 4));
7984     assert(range.front == Date(2018, 11, 6));
7987     assert(range.front == Date(2022, 12, 8));
7999         auto funcFwd = everyDuration!Date(1, 2, AllowDayOverflow.yes, dur!"days"(3));
8000 …     auto funcBwd = everyDuration!(Date, Direction.bwd)(1, 2, AllowDayOverflow.yes, dur!"days"(3));
8002         assert(funcFwd(Date(2009, 12, 25)) == Date(2011, 2, 28));
8003         assert(funcFwd(Date(2009, 12, 26)) == Date(2011, 3, 1));
8004         assert(funcFwd(Date(2009, 12, 27)) == Date(2011, 3, 2));
8005         assert(funcFwd(Date(2009, 12, 28)) == Date(2011, 3, 3));
8006         assert(funcFwd(Date(2009, 12, 29)) == Date(2011, 3, 4));
8008         assert(funcBwd(Date(2011, 2, 28)) == Date(2009, 12, 25));
8009         assert(funcBwd(Date(2011, 3, 1)) == Date(2009, 12, 26));
8010         assert(funcBwd(Date(2011, 3, 2)) == Date(2009, 12, 27));
8011         assert(funcBwd(Date(2011, 3, 3)) == Date(2009, 12, 28));
8012         assert(funcBwd(Date(2011, 3, 4)) == Date(2010, 1, 1));
8016         auto funcFwd = everyDuration!Date(1, 2, AllowDayOverflow.no, dur!"days"(3));
8017 …     auto funcBwd = everyDuration!(Date, Direction.bwd)(1, 2, AllowDayOverflow.yes, dur!"days"(3));
8019         assert(funcFwd(Date(2009, 12, 25)) == Date(2011, 2, 28));
8020         assert(funcFwd(Date(2009, 12, 26)) == Date(2011, 3, 1));
8021         assert(funcFwd(Date(2009, 12, 27)) == Date(2011, 3, 2));
8022         assert(funcFwd(Date(2009, 12, 28)) == Date(2011, 3, 3));
8023         assert(funcFwd(Date(2009, 12, 29)) == Date(2011, 3, 3));
8025         assert(funcBwd(Date(2011, 2, 28)) == Date(2009, 12, 25));
8026         assert(funcBwd(Date(2011, 3, 1)) == Date(2009, 12, 26));
8027         assert(funcBwd(Date(2011, 3, 2)) == Date(2009, 12, 27));
8028         assert(funcBwd(Date(2011, 3, 3)) == Date(2009, 12, 28));
8029         assert(funcBwd(Date(2011, 3, 4)) == Date(2010, 1, 1));
8032     assert(everyDuration!Date(1, 2, AllowDayOverflow.yes, dur!"hnsecs"(1)) !is null);
8047     the interval $(D Interval!Date), pass a function to $(LREF Interval)'s
8051     over the $(REF Date,std,datetime,date)s in the interval.
8282     static assert(isInputRange!(IntervalRange!(Date, Direction.fwd)));  in opAssign()
8283     static assert(isForwardRange!(IntervalRange!(Date, Direction.fwd)));  in opAssign()
8288     static assert(!isBidirectionalRange!(IntervalRange!(Date, Direction.fwd)));  in opAssign()
8289     static assert(!isRandomAccessRange!(IntervalRange!(Date, Direction.fwd)));  in opAssign()
8290     static assert(!hasSwappableElements!(IntervalRange!(Date, Direction.fwd)));  in opAssign()
8291     static assert(!hasAssignableElements!(IntervalRange!(Date, Direction.fwd)));  in opAssign()
8292     static assert(!hasLength!(IntervalRange!(Date, Direction.fwd)));  in opAssign()
8293     static assert(!isInfinite!(IntervalRange!(Date, Direction.fwd)));  in opAssign()
8294     static assert(!hasSlicing!(IntervalRange!(Date, Direction.fwd)));  in opAssign()
8296     static assert(is(ElementType!(IntervalRange!(Date, Direction.fwd)) == Date));  in opAssign()
8309         Date dateFunc(in Date date) { return date; }  in dateFunc()
8310         auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
8311         auto ir = IntervalRange!(Date, Direction.fwd)(interval, &dateFunc);
8341 …auto range = Interval!Date(Date(2010, 9, 19), Date(2010, 9, 21)).fwdRange(everyDayOfWeek!Date(DayO…
8347 …const cRange = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)).fwdRange(everyDayOfWeek!Date(DayO…
8356         auto range = Interval!Date(Date(2010, 9, 19), Date(2010, 9, 21)).bwdRange(
8357             everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.fri));
8363         const cRange = Interval!Date( Date(2010, 7, 4), Date(2012, 1, 7)).bwdRange(
8364             everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.fri));
8379         auto emptyRange = Interval!Date(Date(2010, 9, 19), Date(2010, 9, 20)).fwdRange(
8380             everyDayOfWeek!Date(DayOfWeek.wed), PopFirst.yes);
8381 …assertThrown!DateTimeException((in IntervalRange!(Date, Direction.fwd) range){range.front;}(emptyR…
8383 …auto range = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)).fwdRange(everyDayOfWeek!Date(DayOfW…
8384         assert(range.front == Date(2010, 7, 4));
8386         auto poppedRange = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)).fwdRange(
8387             everyDayOfWeek!Date(DayOfWeek.wed), PopFirst.yes);
8388         assert(poppedRange.front == Date(2010, 7, 7));
8390 …const cRange = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)).fwdRange(everyDayOfWeek!Date(DayO…
8391         assert(cRange.front != Date.init);
8396         auto emptyRange = Interval!Date(Date(2010, 9, 19), Date(2010, 9, 20)).bwdRange(
8397             everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.wed), PopFirst.yes);
8398 …assertThrown!DateTimeException((in IntervalRange!(Date, Direction.bwd) range){range.front;}(emptyR…
8400         auto range = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)).bwdRange(
8401             everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.wed));
8402         assert(range.front == Date(2012, 1, 7));
8404         auto poppedRange = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)).bwdRange(
8405             everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.wed), PopFirst.yes);
8406         assert(poppedRange.front == Date(2012, 1, 4));
8408         const cRange = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)).bwdRange(
8409             everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.fri));
8410         assert(cRange.front != Date.init);
8422         auto emptyRange = Interval!Date(Date(2010, 9, 19), Date(2010, 9, 20)).fwdRange(
8423             everyDayOfWeek!Date(DayOfWeek.wed), PopFirst.yes);
8424 …assertThrown!DateTimeException((IntervalRange!(Date, Direction.fwd) range){range.popFront();}(empt…
8426         auto range = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)).fwdRange(
8427             everyDayOfWeek!Date(DayOfWeek.wed), PopFirst.yes);
8438 …const cRange = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)).fwdRange(everyDayOfWeek!Date(DayO…
8439         assert(cRange.front != Date.init);
8444         auto emptyRange = Interval!Date(Date(2010, 9, 19), Date(2010, 9, 20)).bwdRange(
8445             everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.wed), PopFirst.yes);
8446 …assertThrown!DateTimeException((IntervalRange!(Date, Direction.bwd) range){range.popFront();}(empt…
8448         auto range = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)).bwdRange(
8449             everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.wed), PopFirst.yes);
8460         const cRange = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7)).bwdRange(
8461             everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.fri));
8473         auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
8474         auto func = everyDayOfWeek!Date(DayOfWeek.fri);
8482         auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
8483         auto func = everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.fri);
8497         auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
8498         auto func = everyDayOfWeek!Date(DayOfWeek.fri);
8509         auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
8510         auto func = everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.fri);
8527         auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
8528         auto func = everyDayOfWeek!Date(DayOfWeek.fri);
8536         auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
8537         auto func = everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.fri);
8551         auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
8552         auto func = everyDayOfWeek!Date(DayOfWeek.fri);
8563         auto interval = Interval!Date(Date(2010, 7, 4), Date(2012, 1, 7));
8564         auto func = everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.fri);
8583     over all of the days in the interval $(D PosInfInterval!Date), pass a
8588     $(REF Date,std,datetime,date)s in the interval - though obviously, since the
8726     static assert(isInputRange!(PosInfIntervalRange!Date));  in opAssign()
8727     static assert(isForwardRange!(PosInfIntervalRange!Date));  in opAssign()
8728     static assert(isInfinite!(PosInfIntervalRange!Date));  in opAssign()
8732     static assert(!isBidirectionalRange!(PosInfIntervalRange!Date));  in opAssign()
8733     static assert(!isRandomAccessRange!(PosInfIntervalRange!Date));  in opAssign()
8734     static assert(!hasSwappableElements!(PosInfIntervalRange!Date));  in opAssign()
8735     static assert(!hasAssignableElements!(PosInfIntervalRange!Date));  in opAssign()
8736     static assert(!hasLength!(PosInfIntervalRange!Date));  in opAssign()
8737     static assert(!hasSlicing!(PosInfIntervalRange!Date));  in opAssign()
8739     static assert(is(ElementType!(PosInfIntervalRange!Date) == Date));  in opAssign()
8752         Date dateFunc(in Date date) { return date; }  in dateFunc()
8753         auto posInfInterval = PosInfInterval!Date(Date(2010, 7, 4));
8754         auto ir = PosInfIntervalRange!Date(posInfInterval, &dateFunc);
8781     auto range = PosInfInterval!Date(Date(2010, 7, 4)).fwdRange(everyDayOfWeek!Date(DayOfWeek.wed));
8782     assert(range.front == Date(2010, 7, 4));
8784 …auto poppedRange = PosInfInterval!Date(Date(2010, 7, 4)).fwdRange(everyDayOfWeek!Date(DayOfWeek.we…
8785     assert(poppedRange.front == Date(2010, 7, 7));
8787 … const cRange = PosInfInterval!Date(Date(2010, 7, 4)).fwdRange(everyDayOfWeek!Date(DayOfWeek.fri));
8788     assert(cRange.front != Date.init);
8797 …auto range = PosInfInterval!Date(Date(2010, 7, 4)).fwdRange(everyDayOfWeek!Date(DayOfWeek.wed), Po…
8806 … const cRange = PosInfInterval!Date(Date(2010, 7, 4)).fwdRange(everyDayOfWeek!Date(DayOfWeek.fri));
8815     auto interval = PosInfInterval!Date(Date(2010, 7, 4));
8816     auto func = everyDayOfWeek!Date(DayOfWeek.fri);
8827     auto interval = PosInfInterval!Date(Date(2010, 7, 4));
8828     auto func = everyDayOfWeek!Date(DayOfWeek.fri);
8842     auto interval = PosInfInterval!Date(Date(2010, 7, 4));
8843     auto func = everyDayOfWeek!Date(DayOfWeek.fri);
8858     $(D NegInfInterval!Date), pass a function to $(D NegInfInterval)'s
8862     iterate over the $(REF Date,std,datetime,date)s in the interval - though
9009     static assert(isInputRange!(NegInfIntervalRange!Date));
9010     static assert(isForwardRange!(NegInfIntervalRange!Date));
9011     static assert(isInfinite!(NegInfIntervalRange!Date));
9015     static assert(!isBidirectionalRange!(NegInfIntervalRange!Date));
9016     static assert(!isRandomAccessRange!(NegInfIntervalRange!Date));
9017     static assert(!hasSwappableElements!(NegInfIntervalRange!Date));
9018     static assert(!hasAssignableElements!(NegInfIntervalRange!Date));
9019     static assert(!hasLength!(NegInfIntervalRange!Date));
9020     static assert(!hasSlicing!(NegInfIntervalRange!Date));
9022     static assert(is(ElementType!(NegInfIntervalRange!Date) == Date));
9034         Date dateFunc(in Date date) { return date; }  in dateFunc()
9035         auto negInfInterval = NegInfInterval!Date(Date(2012, 1, 7));
9036         auto ir = NegInfIntervalRange!Date(negInfInterval, &dateFunc);
9063 …auto range = NegInfInterval!Date(Date(2012, 1, 7)).bwdRange(everyDayOfWeek!(Date, Direction.bwd)(D…
9064     assert(range.front == Date(2012, 1, 7));
9066     auto poppedRange = NegInfInterval!Date(Date(2012, 1, 7)).bwdRange(
9067         everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.wed), PopFirst.yes);
9068     assert(poppedRange.front == Date(2012, 1, 4));
9070 …const cRange = NegInfInterval!Date(Date(2012, 1, 7)).bwdRange(everyDayOfWeek!(Date, Direction.bwd)…
9071     assert(cRange.front != Date.init);
9080     auto range = NegInfInterval!Date(Date(2012, 1, 7)).bwdRange(
9081         everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.wed), PopFirst.yes);
9090 …const cRange = NegInfInterval!Date(Date(2012, 1, 7)).bwdRange(everyDayOfWeek!(Date, Direction.bwd)…
9099     auto interval = NegInfInterval!Date(Date(2012, 1, 7));
9100     auto func = everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.fri);
9111     auto interval = NegInfInterval!Date(Date(2012, 1, 7));
9112     auto func = everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.fri);
9126     auto interval = NegInfInterval!Date(Date(2012, 1, 7));
9127     auto func = everyDayOfWeek!(Date, Direction.bwd)(DayOfWeek.fri);