48 lines
915 B
C++
48 lines
915 B
C++
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#ifndef BOOST_MPL_AUX_UNWRAP_HPP_INCLUDED
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#define BOOST_MPL_AUX_UNWRAP_HPP_INCLUDED
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// Copyright Peter Dimov and Multi Media Ltd 2001, 2002
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// Copyright David Abrahams 2001
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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: unwrap.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/ref.hpp>
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namespace boost { namespace mpl { namespace aux {
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template< typename F >
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inline
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F& unwrap(F& f, long)
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{
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return f;
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}
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template< typename F >
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inline
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F&
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unwrap(reference_wrapper<F>& f, int)
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{
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return f;
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}
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template< typename F >
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inline
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F&
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unwrap(reference_wrapper<F> const& f, int)
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{
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return f;
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}
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}}}
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#endif // BOOST_MPL_AUX_UNWRAP_HPP_INCLUDED
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