1 // Copyright (C) 2008 Free Software Foundation, Inc.
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)
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.
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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
19 // { dg-options "-D_GLIBCXX_DEBUG" }
30 std::set<std::pair<unsigned,int> > mFactors;
31 std::set<std::pair<unsigned,int> > secondFactor;
32 std::set_difference(mFactors.begin(), mFactors.end(),
33 mFactors.begin(), mFactors.end(),
34 std::insert_iterator<std::set<std::pair<unsigned,int> > >
35 (secondFactor, secondFactor.end()));