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

   1 // Copyright (C) 2012-2021 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
  20 #include <functional>
  21
  22 struct F
  23 {
  24   void operator()() { }
  25   void operator&() const { }
  26 };
  27
  28 void test01()
  29 {
  30   F f;
  31   std::function<void()> f1 = f;
  32   std::function<void()> f2 = std::ref(f);
  33 }
  34
  35 int main()
  36 {
  37   test01();
  38
  39   return 0;
  40 }