placeholders.cc revision 1.1.1.1
1// 2005-03-20 Douglas Gregor <doug.gregor -at- gmail.com> 2// 3// Copyright (C) 2005, 2009 Free Software Foundation, Inc. 4// 5// This file is part of the GNU ISO C++ Library. This library is free 6// software; you can redistribute it and/or modify it under the 7// terms of the GNU General Public License as published by the 8// Free Software Foundation; either version 3, or (at your option) 9// any later version. 10// 11// This library is distributed in the hope that it will be useful, 12// but WITHOUT ANY WARRANTY; without even the implied warranty of 13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14// GNU General Public License for more details. 15// 16// You should have received a copy of the GNU General Public License along 17// with this library; see the file COPYING3. If not see 18// <http://www.gnu.org/licenses/>. 19 20// 3.6 function object binders 21#include <tr1/functional> 22#include <testsuite_hooks.h> 23#include <testsuite_tr1.h> 24 25using namespace __gnu_test; 26 27bool test __attribute__((unused)) = true; 28 29// Operations on empty function<> objects 30void test01() 31{ 32 using namespace std::tr1::placeholders; 33 34 int five = 5; 35 int seven = 7; 36 VERIFY( std::tr1::bind(std::minus<int>(), _1, _2)(five, seven) == -2 ); 37 VERIFY( std::tr1::bind(std::minus<int>(), _2, _1)(five, seven) == 2 ); 38} 39 40int main() 41{ 42 test01(); 43 return 0; 44} 45