Lines Matching defs:std
27 namespace std {
39 using V = std::variant<int, long, int>;
40 using H = std::hash<V>;
41 const V v(std::in_place_index<0>, 42);
43 V v2(std::in_place_index<0>, 100);
49 ASSERT_SAME_TYPE(decltype(h(v)), std::size_t);
50 static_assert(std::is_copy_constructible<H>::value, "");
54 using V = std::variant<std::monostate, int, long, const char *>;
55 using H = std::hash<V>;
83 using V = std::variant<int, MakeEmptyT>;
84 using H = std::hash<V>;
96 using H = std::hash<std::monostate>;
98 std::monostate m1{};
99 const std::monostate m2{};
104 ASSERT_SAME_TYPE(decltype(h(m1)), std::size_t);
106 static_assert(std::is_copy_constructible<H>::value, "");
109 test_hash_enabled_for_type<std::monostate>();
115 using V = std::variant<std::monostate, std::monostate>;
116 using H = std::hash<V>;
118 const V v1(std::in_place_index<0>);
119 const V v2(std::in_place_index<1>);
128 namespace std {
141 test_hash_enabled_for_type<std::variant<int> >();
142 test_hash_enabled_for_type<std::variant<int*, long, double, const int> >();
145 test_hash_disabled_for_type<std::variant<int, A>>();
146 test_hash_disabled_for_type<std::variant<const A, void*>>();
149 test_hash_enabled_for_type<std::variant<int, B>>();
150 test_hash_enabled_for_type<std::variant<const B, int>>();
