libcxx/test/std/depr/depr.function.objects/depr.adaptors/depr.member.pointer.adaptors/mem_fun1.pass.cpp

   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<Returnable S, ClassType T, CopyConstructible A>
  12 //   mem_fun1_t<S,T,A>
  13 //   mem_fun(S (T::*f)(A));
  14
  15 // REQUIRES: c++03 || c++11 || c++14
  16 // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
  17
  18 #include <functional>
  19 #include <cassert>
  20
  21 #include "test_macros.h"
  22
  23 struct A
  24 {
  25     char a1() {return 5;}
  26     short a2(int i) {return short(i+1);}
  27     int a3() const {return 1;}
  28     double a4(unsigned i) const {return i-1;}
  29 };
  30
  31 int main(int, char**)
  32 {
  33     A a;
  34     assert(std::mem_fun(&A::a2)(&a, 5) == 6);
  35
  36   return 0;
  37 }