| 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | // <typeindex> |
| 10 | |
| 11 | // class type_index |
| 12 | |
| 13 | // template <> |
| 14 | // struct hash<type_index> |
| 15 | // { |
| 16 | // size_t operator()(type_index index) const; |
| 17 | // }; |
| 18 | |
| 19 | // UNSUPPORTED: no-rtti |
| 20 | |
| 21 | #include <typeindex> |
| 22 | #include <type_traits> |
| 23 | #include <cassert> |
| 24 | |
| 25 | #include "test_macros.h" |
| 26 | |
| 27 | int main(int, char**) |
| 28 | { |
| 29 | #if TEST_STD_VER <= 14 |
| 30 | typedef std::hash<std::type_index> H; |
| 31 | static_assert((std::is_same<typename H::argument_type, std::type_index>::value), "" ); |
| 32 | static_assert((std::is_same<typename H::result_type, std::size_t>::value), "" ); |
| 33 | #endif |
| 34 | |
| 35 | std::type_index t1 = typeid(int); |
| 36 | assert(std::hash<std::type_index>()(t1) == t1.hash_code()); |
| 37 | |
| 38 | return 0; |
| 39 | } |
| 40 | |