| //===----------------------------------------------------------------------===// |
| // 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 |
| //===----------------------------------------------------------------------===// |
| // template<Returnable R, class T, CopyConstructible... Args> |
| // unspecified mem_fn(R (T::* pm)(Args...)); |
| char test0() {return 'a';} |
| char test1(int) {return 'b';} |
| char test2(int, double) {return 'c';} |
| assert(cf(ap, 2) == 'b'); |
| assert(f(a, 1, 2) == 'c'); |
| assert(f(ap, 2, 3.5) == 'c'); |
| assert(cf(ap, 2, 3.5) == 'c'); |
| test0(std::mem_fn(&A::test0)); |
| test1(std::mem_fn(&A::test1)); |
| test2(std::mem_fn(&A::test2)); |
| static_assert((noexcept(std::mem_fn(&A::test0))), ""); // LWG#2489 |