libstdc++-v3/testsuite/20_util/function/cons/addressof.cc

   1 // Copyright (C) 2012-2024 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-do compile { target c++11 } }
  19 // { dg-require-effective-target hosted }
  20
  21 #include <functional>
  22
  23 struct F
  24 {
  25   void operator()() { }
  26   void operator&() const { }
  27 };
  28
  29 void test01()
  30 {
  31   F f;
  32   std::function<void()> f1 = f;
  33   std::function<void()> f2 = std::ref(f);
  34 }
  35
  36 int main()
  37 {
  38   test01();
  39
  40   return 0;
  41 }