11 // <variant>
13 // template <class ...Types> class variant;
15 // constexpr variant& operator=(variant&&) noexcept(see below);
21 #include <variant>
137     using V = std::variant<int>;  in test_move_assignment_noexcept()
141     using V = std::variant<MoveOnly>;  in test_move_assignment_noexcept()
145     using V = std::variant<int, long>;  in test_move_assignment_noexcept()
149     using V = std::variant<int, MoveOnly>;  in test_move_assignment_noexcept()
153     using V = std::variant<MoveOnlyNT>;  in test_move_assignment_noexcept()
157     using V = std::variant<MoveOnlyOddNothrow>;  in test_move_assignment_noexcept()
164     using V = std::variant<int, long>;  in test_move_assignment_sfinae()
168     using V = std::variant<int, CopyOnly>;  in test_move_assignment_sfinae()
172     using V = std::variant<int, NoCopy>;  in test_move_assignment_sfinae()
176     using V = std::variant<int, MoveOnly>;  in test_move_assignment_sfinae()
180     using V = std::variant<int, MoveOnlyNT>;  in test_move_assignment_sfinae()
184     // variant only provides move assignment when the types also provide  in test_move_assignment_sfinae()
186     using V = std::variant<int, MoveAssignOnly>;  in test_move_assignment_sfinae()
192     using V = std::variant<int, long>;  in test_move_assignment_sfinae()
196     using V = std::variant<int, NTMoveAssign>;  in test_move_assignment_sfinae()
201     using V = std::variant<int, TMoveAssign>;  in test_move_assignment_sfinae()
205     using V = std::variant<int, TMoveAssignNTCopyAssign>;  in test_move_assignment_sfinae()
209     using V = std::variant<int, TrivialCopyNontrivialMove>;  in test_move_assignment_sfinae()
213     using V = std::variant<int, CopyOnly>;  in test_move_assignment_sfinae()
222     using V = std::variant<int, long, MET>;  in test_move_assignment_empty_empty()
239     using V = std::variant<int, MET>;  in test_move_assignment_non_empty_empty()
249     using V = std::variant<int, MET, std::string>;  in test_move_assignment_non_empty_empty()
265     using V = std::variant<int, MET>;  in test_move_assignment_empty_non_empty()
275     using V = std::variant<int, MET, std::string>;  in test_move_assignment_empty_non_empty()
295     using V = std::variant<int>;  in test_move_assignment_same_index()
304     using V = std::variant<int, long, unsigned>;  in test_move_assignment_same_index()
313     using V            = std::variant<int, MoveAssign, unsigned>;  in test_move_assignment_same_index()
330         using V = std::variant<int>;  in test_move_assignment_same_index()
344         using V = std::variant<int, long, unsigned>;  in test_move_assignment_same_index()
358         using V = std::variant<int, TMoveAssign, unsigned>;  in test_move_assignment_same_index()
373     using V = std::variant<int, long, unsigned>;  in test_move_assignment_different_index()
382     using V            = std::variant<int, MoveAssign, unsigned>;  in test_move_assignment_different_index()
399         using V = std::variant<int, long, unsigned>;  in test_move_assignment_different_index()
413         using V = std::variant<int, TMoveAssign, unsigned>;  in test_move_assignment_different_index()
431     using V = std::variant<int, MET, std::string>;  in test_assignment_throw()
446     using V = std::variant<int, MET, std::string>;  in test_assignment_throw()
458     using V = std::variant<int, MET, std::string>;  in test_assignment_throw()
471   using Variant = std::decay_t<T>;  in test_constexpr_assign_imp()  typedef
472   Variant v2(std::forward<ValueType>(new_value));  in test_constexpr_assign_imp()
481   using V = std::variant<long, void*, int>;  in test_constexpr_move_assignment_trivial()
505   using V = std::variant<long, void*, NonTrivialMoveAssign>;  in test_constexpr_move_assignment_non_trivial()