181         static immutable(TimeZone) testTZ(string tzName,
192                 immutable tz = PosixTimeZone.getTimeZone(tzName);  in version()
197                 immutable tz = WindowsTimeZone.getTimeZone(tzName);  in version()
201             immutable hasDST = dstOffset != Duration.zero;
207             immutable stdDate = DateTime(2010, north ? 1 : 7, 1, 6, 0, 0);
208             immutable dstDate = DateTime(2010, north ? 7 : 1, 1, 6, 0, 0);
344             immutable spring = dstSwitches[i][2];
345             immutable fall = dstSwitches[i][3];
355                 immutable targetHour = hour < 0 ? hour + 24 : hour;
468     this(string name, string stdName, string dstName) @safe immutable pure  in this()
478     immutable string _name;
479     immutable string _stdName;
480     immutable string _dstName;
1189     this() @safe immutable pure  in this()
1195     static immutable UTC _utc = new immutable(UTC)();
1276         auto west = new immutable SimpleTimeZone(dur!"hours"(-8));
1277         auto east = new immutable SimpleTimeZone(dur!"hours"(8));
1857         immutable leapSecs = calculateLeapSeconds(adjTime);  in utcOffset()
1859         immutable past = unixTime - convert!("days", "seconds")(1);  in utcOffset()
1860         immutable future = unixTime + convert!("days", "seconds")(1);  in utcOffset()
1862         immutable pastFound = countUntil!"b < a.timeT"(_transitions, past);  in utcOffset()
1867         immutable futureFound = countUntil!"b < a.timeT"(_transitions[pastFound .. $], future);  in utcOffset()
1868         immutable pastTrans = pastFound == 0 ? _transitions[0] : _transitions[pastFound - 1];  in utcOffset()
1873         immutable futureTrans = futureFound == -1 ? _transitions.back  in utcOffset()
1875         immutable pastOffset = pastTrans.ttInfo.utcOffset;  in utcOffset()
1880 …   immutable found = countUntil!"b < a.timeT"(_transitions[pastFound .. $], unixTime - pastOffset);  in utcOffset()
1885         immutable transition = found == 0 ? pastTrans : _transitions[pastFound + found - 1];  in utcOffset()
1947 …static immutable(PosixTimeZone) getTimeZone(string name, string tzDatabaseDir = defaultTZDatabaseD…
1975         immutable gmtZone = name.representation().canFind("GMT");
1981             immutable char tzFileVersion = readVal!char(tzFile);
2071                 immutable char tzFileVersion2 = readVal!(char)(tzFile);
2188             auto ttInfos = new immutable(TTInfo)*[](tempTTInfos.length);
2199                 ttInfo = new immutable(TTInfo)(tempTTInfos[i], abbrev);
2205                 immutable ttiIndex = ttInfoIndices[i];
2258 …return new immutable PosixTimeZone(transitions.idup, leapSeconds.idup, name, stdName, dstName, has…
2398         this(long timeT, immutable (TTInfo)* ttInfo) @safe pure  in this()
2405         immutable (TTInfo)* ttInfo;
2430         this(in TempTTInfo tempTTInfo, string abbrev) @safe immutable pure  in this()
2437         immutable int    utcOffset;  // Offset from UTC.
2438         immutable bool   isDST;      // Whether DST is in effect.
2439         immutable string abbrev;     // The current abbreviation for the time zone.
2469         this(long timeT, immutable (TTInfo)* ttInfo, TransitionType* ttype) @safe pure  in this()
2477         immutable (TTInfo)* ttInfo;
2561         immutable unixTime = stdTimeToUnixTime(stdTime);  in calculateLeapSeconds()
2566         immutable found = countUntil!"b < a.timeT"(_leapSeconds, unixTime);  in calculateLeapSeconds()
2571         immutable leapSecond = found == 0 ? _leapSeconds[0] : _leapSeconds[found - 1];  in calculateLeapSeconds()
2577     this(immutable Transition[] transitions,  in this()
2578          immutable LeapSecond[] leapSeconds,  in this()
2582          bool hasDST) @safe immutable pure  in this()
2680     immutable Transition[] _transitions;
2683     immutable LeapSecond[] _leapSeconds;
2686     immutable bool _hasDST;
2981 …            immutable result = SystemTimeToTzSpecificLocalTime(cast(TIME_ZONE_INFORMATION*) tzInfo,  in version()
2986                 immutable otherDateTime = DateTime(otherTime.wYear,  in version()
2992                 immutable diff = utcDateTime - otherDateTime;  in version()
2993                 immutable minutes = diff.total!"minutes" - tzInfo.Bias;  in version()
3072 …            immutable result = TzSpecificLocalTimeToSystemTime(cast(TIME_ZONE_INFORMATION*) tzInfo,
3077                         immutable utcDateTime = DateTime(utcTime.wYear,
3084                         immutable diff = localDateTime - utcDateTime;
3085                         immutable minutes = -tzInfo.Bias - diff.total!"minutes";
3127         this(string name, TIME_ZONE_INFORMATION tzInfo) @trusted immutable pure
3265     immutable f1 = `<mapZone other="`;