Lines Matching refs:optional

31 std::optional<T> return_optional() {}  in return_optional()
33 static_assert(has_or_else<std::optional<int>&, decltype(return_optional<int>)>);
34 static_assert(has_or_else<std::optional<int>&&, decltype(return_optional<int>)>);
35 static_assert(!has_or_else<std::optional<MoveOnly>&, decltype(return_optional<MoveOnly>)>);
36 static_assert(has_or_else<std::optional<MoveOnly>&&, decltype(return_optional<MoveOnly>)>);
37 static_assert(!has_or_else<std::optional<NonMovable>&, decltype(return_optional<NonMovable>)>);
38 static_assert(!has_or_else<std::optional<NonMovable>&&, decltype(return_optional<NonMovable>)>);
40 std::optional<int> take_int(int) { return 0; }  in take_int()
43 static_assert(!has_or_else<std::optional<int>, decltype(take_int)>);
44 static_assert(!has_or_else<std::optional<int>, decltype(take_int_return_void)>);
45 static_assert(!has_or_else<std::optional<int>, int>);
49     std::optional<int> opt;  in test()
50     assert(opt.or_else([] { return std::optional<int>{0}; }) == 0);  in test()
54       return std::optional<int>{};  in test()
58     std::optional<MoveOnly> opt;  in test()
59     opt = std::move(opt).or_else([] { return std::optional<MoveOnly>{MoveOnly{}}; });  in test()
62       return std::optional<MoveOnly>{};  in test()