libstdc++-v3/testsuite/20_util/function/48541.cc

   1 // { dg-do compile { target c++11 } }
   2 // Copyright (C) 2011-2018 Free Software Foundation, Inc.
   3 //
   4 // This file is part of the GNU ISO C++ Library.  This library is free
   5 // software; you can redistribute it and/or modify it under the
   6 // terms of the GNU General Public License as published by the
   7 // Free Software Foundation; either version 3, or (at your option)
   8 // any later version.
   9 //
  10 // This library is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License along
  16 // with this library; see the file COPYING3.  If not see
  17 // <http://www.gnu.org/licenses/>.
  18
  19 // libstdc++/48451
  20
  21 #include <functional>
  22
  23 struct X {
  24   void operator () () const { }
  25   float operator & () const { return 1.2345; }
  26 };
  27
  28 void test01()
  29 {
  30   X x;
  31   std::function<void()> f(x);
  32   f();
  33 }
  34
  35 int main()
  36 {
  37   test01();
  38   return 0;
  39 }