| 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 | // <functional> |
| 10 | |
| 11 | // template <CopyConstructible Arg1, CopyConstructible Arg2, Returnable Result> |
| 12 | // pointer_to_binary_function<Arg1,Arg2,Result> |
| 13 | // ptr_fun(Result (*f)(Arg1, Arg2)); |
| 14 | |
| 15 | // UNSUPPORTED: c++03, c++11, c++14 |
| 16 | // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS |
| 17 | |
| 18 | #include <functional> |
| 19 | #include <type_traits> |
| 20 | #include <cassert> |
| 21 | |
| 22 | #include "test_macros.h" |
| 23 | |
| 24 | double binary_f(int i, short j) {return i - j + .75;} |
| 25 | |
| 26 | int main(int, char**) |
| 27 | { |
| 28 | assert(std::ptr_fun(binary_f)(36, 27) == 9.75); |
| 29 | |
| 30 | return 0; |
| 31 | } |
| 32 | |