source: NonGTP/Boost/boost/mpl/same_as.hpp @ 857

Revision 857, 1.2 KB checked in by igarcia, 19 years ago (diff)
RevLine 
[857]1
2#ifndef BOOST_MPL_SAME_AS_HPP_INCLUDED
3#define BOOST_MPL_SAME_AS_HPP_INCLUDED
4
5// Copyright Aleksey Gurtovoy 2000-2004
6//
7// Distributed under the Boost Software License, Version 1.0.
8// (See accompanying file LICENSE_1_0.txt or copy at
9// http://www.boost.org/LICENSE_1_0.txt)
10//
11// See http://www.boost.org/libs/mpl for documentation.
12
13// $Source: /cvsroot/boost/boost/boost/mpl/same_as.hpp,v $
14// $Date: 2004/09/02 15:40:42 $
15// $Revision: 1.6 $
16
17#include <boost/mpl/not.hpp>
18#include <boost/mpl/aux_/lambda_spec.hpp>
19#include <boost/mpl/aux_/config/forwarding.hpp>
20
21#include <boost/type_traits/is_same.hpp>
22
23namespace boost { namespace mpl {
24
25template< typename T1 >
26struct same_as
27{
28    template< typename T2 > struct apply
29#if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING)
30        : is_same<T1,T2>
31    {
32#else
33    {
34        typedef typename is_same<T1,T2>::type type;
35#endif
36    };
37};
38
39template< typename T1 >
40struct not_same_as
41{
42    template< typename T2 > struct apply
43#if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING)
44        : not_< is_same<T1,T2> >
45    {
46#else
47    {
48        typedef typename not_< is_same<T1,T2> >::type type;
49#endif
50    };
51};
52
53}}
54
55#endif // BOOST_MPL_SAME_AS_HPP_INCLUDED
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