libstdc++-v3/testsuite/20_util/function_objects/mem_fn/55908.cc

   1 // { dg-options "-std=gnu++11" }
   2 // { dg-do compile }
   3
   4 // Copyright (C) 2013 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 // PR libstdc++/55908 calling const member function via const pointer
  22
  23 #include <functional>
  24
  25 struct foo
  26 {
  27   void f(int) const { }
  28
  29   void g() const
  30   {
  31     auto mf = std::mem_fn(&foo::f);
  32     mf(this, 1);
  33   }
  34 };