12345678910111213141516171819202122232425262728293031323334353637383940414243444546 |
- //
- // 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.hpp>
- #include <boost/core/lightweight_test.hpp>
- #include <functional>
- 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
|