gcc/libstdc++-v3/testsuite/23_containers/multiset.cc

75 lines
1.9 KiB
C++

// 1999-06-24 bkoz
// Copyright (C) 1999 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 23.3.4 template class multiset
#include <iostream>
#include <iterator>
#include <set>
#include <algorithm>
namespace std
{
std::ostream&
operator<<(std::ostream& os, std::pair<int, int> const& p)
{ return os << p.first << ' ' << p.second; }
}
bool
operator<(std::pair<int, int> const& lhs, std::pair<int, int> const& rhs)
{ return lhs.first < rhs.first; }
int main ()
{
typedef std::multiset<std::pair<int, int> >::iterator iterator;
std::pair<int, int> p(69, 0);
std::multiset<std::pair<int, int> > s;
for (p.second = 0; p.second < 5; ++p.second)
s.insert(p);
for (iterator it = s.begin(); it != s.end(); ++it)
if (it->second < 5)
{
s.insert(it, p);
++p.second;
}
// XXX need to use debug-assert here and get this working with an
// ostrinsrtream, that way we can just check the strings for
// equivalance.
std::copy(s.begin(), s.end(),
std::ostream_iterator<std::pair<int, int> >(std::cout, "\n"));
return 0;
}
/* output:
69 5
69 0
69 6
69 1
69 7
69 2
69 8
69 3
69 9
69 4
*/