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37 lines
928 B
37 lines
928 B
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#ifndef BOOST_MPL_AUX_FOLD_OP_HPP_INCLUDED |
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#define BOOST_MPL_AUX_FOLD_OP_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: fold_op.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ |
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// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ |
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// $Revision: 49267 $ |
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#include <boost/mpl/apply.hpp> |
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namespace boost { namespace mpl { namespace aux { |
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// hand-written version is more efficient than bind/lambda expression |
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template< typename Op > |
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struct fold_op |
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{ |
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template< typename T1, typename T2 > struct apply |
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{ |
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typedef typename apply2< |
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Op |
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, T1 |
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, typename T2::type |
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>::type type; |
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}; |
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}; |
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}}} |
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#endif // BOOST_MPL_AUX_FOLD_OP_HPP_INCLUDED
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