| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <typeindex> |
| |
| // class type_index |
| |
| // template <> |
| // struct hash<type_index> |
| // : public unary_function<type_index, size_t> |
| // { |
| // size_t operator()(type_index index) const; |
| // }; |
| |
| #include <typeindex> |
| #include <type_traits> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| int main(int, char**) |
| { |
| typedef std::hash<std::type_index> H; |
| static_assert((std::is_same<typename H::argument_type, std::type_index>::value), "" ); |
| static_assert((std::is_same<typename H::result_type, std::size_t>::value), "" ); |
| |
| std::type_index t1 = typeid(int); |
| assert(std::hash<std::type_index>()(t1) == t1.hash_code()); |
| |
| return 0; |
| } |