source: NonGTP/Boost/boost/mpl/aux_/unwrap.hpp @ 857

Revision 857, 940 bytes checked in by igarcia, 19 years ago (diff)
Line 
1
2#ifndef BOOST_MPL_AUX_UNWRAP_HPP_INCLUDED
3#define BOOST_MPL_AUX_UNWRAP_HPP_INCLUDED
4
5// Copyright Peter Dimov and Multi Media Ltd 2001, 2002
6// Copyright David Abrahams 2001
7//
8// Distributed under the Boost Software License, Version 1.0.
9// (See accompanying file LICENSE_1_0.txt or copy at
10// http://www.boost.org/LICENSE_1_0.txt)
11//
12// See http://www.boost.org/libs/mpl for documentation.
13
14// $Source: /cvsroot/boost/boost/boost/mpl/aux_/unwrap.hpp,v $
15// $Date: 2004/09/02 15:40:44 $
16// $Revision: 1.3 $
17
18#include <boost/ref.hpp>
19
20namespace boost { namespace mpl { namespace aux {
21
22template< typename F >
23inline
24F& unwrap(F& f, long)
25{
26    return f;
27}
28
29template< typename F >
30inline
31F&
32unwrap(reference_wrapper<F>& f, int)
33{
34    return f;
35}
36
37template< typename F >
38inline
39F&
40unwrap(reference_wrapper<F> const& f, int)
41{
42    return f;
43}
44
45}}}
46
47#endif // BOOST_MPL_AUX_UNWRAP_HPP_INCLUDED
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