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38 lines
838 B
38 lines
838 B
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#ifndef BOOST_MPL_ALWAYS_HPP_INCLUDED |
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#define BOOST_MPL_ALWAYS_HPP_INCLUDED |
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// Copyright Aleksey Gurtovoy 2001-2004 |
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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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// See http://www.boost.org/libs/mpl for documentation. |
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// $Id$ |
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// $Date$ |
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// $Revision$ |
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#include <boost/mpl/aux_/preprocessor/default_params.hpp> |
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#include <boost/mpl/aux_/na.hpp> |
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#include <boost/mpl/aux_/arity_spec.hpp> |
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namespace boost { namespace mpl { |
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template< typename Value > struct always |
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{ |
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template< |
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BOOST_MPL_PP_DEFAULT_PARAMS(BOOST_MPL_LIMIT_METAFUNCTION_ARITY, typename T, na) |
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> |
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struct apply |
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{ |
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typedef Value type; |
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}; |
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}; |
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BOOST_MPL_AUX_ARITY_SPEC(0, always) |
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}} |
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#endif // BOOST_MPL_ALWAYS_HPP_INCLUDED
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