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