gcc/libstdc++-v3/testsuite/20_util/bind/placeholders.cc
2021-01-04 10:26:59 +01:00

40 lines
1.2 KiB
C++

// { dg-do run { target c++11 } }
// Copyright (C) 2009-2021 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/>.
// 20.7.11 Function template bind
#include <functional>
#include <testsuite_hooks.h>
// Operations on empty function<> objects
void test01()
{
using namespace std::placeholders;
int five = 5;
int seven = 7;
VERIFY( std::bind(std::minus<int>(), _1, _2)(five, seven) == -2 );
VERIFY( std::bind(std::minus<int>(), _2, _1)(five, seven) == 2 );
}
int main()
{
test01();
return 0;
}