| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <functional> |
| // REQUIRES: c++98 || c++03 || c++11 || c++14 |
| |
| // pointer_to_binary_function |
| |
| #define _LIBCPP_DISABLE_DEPRECATION_WARNINGS |
| |
| #include <functional> |
| #include <type_traits> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| double binary_f(int i, short j) {return i - j + .75;} |
| |
| int main(int, char**) |
| { |
| typedef std::pointer_to_binary_function<int, short, double> F; |
| static_assert((std::is_base_of<std::binary_function<int, short, double>, F>::value), ""); |
| const F f(binary_f); |
| assert(f(36, 27) == 9.75); |
| |
| return 0; |
| } |