48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
//-----------------------------------------------------------------------------
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// boost mpl/v2_1/metafunction.hpp header file
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// See http://www.boost.org for updates, documentation, and revision history.
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//-----------------------------------------------------------------------------
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//
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// Copyright (c) 2000-02
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// Aleksey Gurtovoy
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//
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// Permission to use, copy, modify, distribute and sell this software
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// and its documentation for any purpose is hereby granted without fee,
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// provided that the above copyright notice appears in all copies and
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// that both the copyright notice and this permission notice appear in
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// supporting documentation. No representations are made about the
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// suitability of this software for any purpose. It is provided "as is"
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// without express or implied warranty.
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#ifndef BOOST_MPL_V2_1_METAFUNCTION_HPP_INCLUDED
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#define BOOST_MPL_V2_1_METAFUNCTION_HPP_INCLUDED
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#include "boost/mpl/v2_1/expr.hpp"
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#include "boost/mpl/v2_1/metafunction_base.hpp"
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#include "boost/preprocessor/comma_if.hpp"
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#include "boost/preprocessor/identity.hpp"
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#include "boost/preprocessor/seq/for_each_i.hpp"
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#define BOOST_MPL_AUX_METAFUNCTION_PARAM(unused, prefix, n, param) \
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BOOST_PP_COMMA_IF(n) prefix() param \
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/**/
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#define METAFUNCTION(name, params, body) \
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struct name : metafunction_base \
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{ \
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template< \
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BOOST_PP_SEQ_FOR_EACH_I( \
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BOOST_MPL_AUX_METAFUNCTION_PARAM \
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, BOOST_PP_IDENTITY(typename) \
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, params \
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) \
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> \
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struct apply \
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: boost::mpl::v2_1::expr< body > \
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{ \
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}; \
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}; \
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/**/
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#endif // BOOST_MPL_V2_1_METAFUNCTION_HPP_INCLUDED
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