libstdc++-v3/testsuite/25_algorithms/remove_if/check_type.cc

   1 // Copyright (C) 2005 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 2, 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 COPYING.  If not, write to the Free
  16 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  17 // USA.
  18
  19 // 25.2.7 Remove_if
  20
  21 // { dg-do compile }
  22
  23 #include <algorithm>
  24 #include <testsuite_iterators.h>
  25
  26 using __gnu_test::forward_iterator_wrapper;
  27
  28 struct X { };
  29
  30 bool
  31 pred_fn(const X&)
  32 { return true; }
  33
  34 struct pred_obj
  35 {
  36   bool
  37   operator()(const X&) const
  38   { return true; }
  39 };
  40
  41 forward_iterator_wrapper<X>
  42 test1(forward_iterator_wrapper<X>& begin,
  43       forward_iterator_wrapper<X>& end)
  44 { return std::remove_if(begin, end, pred_fn); }
  45
  46 forward_iterator_wrapper<X>
  47 test2(forward_iterator_wrapper<X>& begin,
  48       forward_iterator_wrapper<X>& end)
  49 { return std::remove_if(begin, end, pred_obj()); }
  50