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//
// placeholder_std_bind_test.cpp - std::bind with Boost's _1
//
// Copyright 2016 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
#include <boost/config.hpp>
#if defined( BOOST_NO_CXX11_HDR_FUNCTIONAL )
int main()
{
}
#else
#include <boost/bind/bind.hpp>
#include <boost/core/lightweight_test.hpp>
#include <functional>
using namespace boost::placeholders;
//
namespace std
{
template<int N> struct is_placeholder< boost::arg<N> >: public integral_constant<int, N> {};
} // namespace std
int foo( int i )
{
return i;
}
int main()
{
BOOST_TEST_EQ( std::bind( foo, _1 )( 1 ), 1 );
BOOST_TEST_EQ( std::bind( foo, _2 )( 1, 2 ), 2 );
BOOST_TEST_EQ( std::bind( foo, _3 )( 1, 2, 3 ), 3 );
return boost::report_errors();
}
#endif
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