1 #ifndef BOOST_BIND_ARG_HPP_INCLUDED
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2 #define BOOST_BIND_ARG_HPP_INCLUDED
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4 // MS compatible compilers support #pragma once
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6 #if defined(_MSC_VER) && (_MSC_VER >= 1020)
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13 // Copyright (c) 2002 Peter Dimov and Multi Media Ltd.
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15 // Distributed under the Boost Software License, Version 1.0. (See
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16 // accompanying file LICENSE_1_0.txt or copy at
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17 // http://www.boost.org/LICENSE_1_0.txt)
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19 // See http://www.boost.org/libs/bind/bind.html for documentation.
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22 #include <boost/config.hpp>
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23 #include <boost/is_placeholder.hpp>
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28 template< int I > struct arg
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34 template< class T > arg( T const & /* t */ )
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36 // static assert I == is_placeholder<T>::value
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37 typedef char T_must_be_placeholder[ I == is_placeholder<T>::value? 1: -1 ];
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41 template< int I > bool operator==( arg<I> const &, arg<I> const & )
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46 #if !defined( BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION )
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48 template< int I > struct is_placeholder< arg<I> >
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50 enum _vt { value = I };
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53 template< int I > struct is_placeholder< arg<I> (*) () >
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55 enum _vt { value = I };
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60 } // namespace boost
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62 #endif // #ifndef BOOST_BIND_ARG_HPP_INCLUDED
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