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// Copyright (C) 2017-2018 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 3, 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 COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// { dg-do run { target c++11 } }
#include <functional>
#include <algorithm>
#include <iterator>
void
test01()
{
int i[] = { 1, 2, 3, 4 };
std::function<bool(int, int)> f = std::less<int>{};
// If this uses a moved-from std::function we'll get an exception:
std::make_heap(std::begin(i), std::end(i), f);
std::sort_heap(std::begin(i), std::end(i), f);
}
int
main()
{
test01();
}
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