/extlibs/Boost/include/boost/mpl/aux_/has_rebind.hpp

 1
 2#ifndef BOOST_MPL_AUX_HAS_REBIND_HPP_INCLUDED
 3#define BOOST_MPL_AUX_HAS_REBIND_HPP_INCLUDED
 4
 5// Copyright Aleksey Gurtovoy 2002-2004
 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// $Id: has_rebind.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
14// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
15// $Revision: 49267 $
16
17#include <boost/mpl/aux_/config/msvc.hpp>
18#include <boost/mpl/aux_/config/intel.hpp>
19#include <boost/mpl/aux_/config/workaround.hpp>
20
21#if BOOST_WORKAROUND(__EDG_VERSION__, <= 244) && !defined(BOOST_INTEL_CXX_VERSION)
22#   include <boost/mpl/has_xxx.hpp>
23#elif BOOST_WORKAROUND(BOOST_MSVC, < 1300)
24#   include <boost/mpl/has_xxx.hpp>
25#   include <boost/mpl/if.hpp>
26#   include <boost/mpl/bool.hpp>
27#   include <boost/mpl/aux_/msvc_is_class.hpp>
28#elif BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x610))
29#   include <boost/mpl/if.hpp>
30#   include <boost/mpl/bool.hpp>
31#   include <boost/mpl/aux_/yes_no.hpp>
32#   include <boost/mpl/aux_/config/static_constant.hpp>
33#   include <boost/type_traits/is_class.hpp>
34#else
35#   include <boost/mpl/aux_/type_wrapper.hpp>
36#   include <boost/mpl/aux_/yes_no.hpp>
37#   include <boost/mpl/aux_/config/static_constant.hpp>
38#endif
39
40namespace boost { namespace mpl { namespace aux {
41
42#if BOOST_WORKAROUND(__EDG_VERSION__, <= 244) && !defined(BOOST_INTEL_CXX_VERSION)
43
44BOOST_MPL_HAS_XXX_TRAIT_NAMED_DEF(has_rebind, rebind, false)
45
46#elif BOOST_WORKAROUND(BOOST_MSVC, < 1300)
47
48BOOST_MPL_HAS_XXX_TRAIT_NAMED_DEF(has_rebind_impl, rebind, false)
49
50template< typename T >
51struct has_rebind
52    : if_< 
53          msvc_is_class<T>
54        , has_rebind_impl<T>
55        , bool_<false>
56        >::type
57{
58};
59
60#else // the rest
61
62template< typename T > struct has_rebind_tag {};
63no_tag operator|(has_rebind_tag<int>, void const volatile*);
64
65#   if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x610))
66template< typename T >
67struct has_rebind
68{
69    static has_rebind_tag<T>* get();
70    BOOST_STATIC_CONSTANT(bool, value = 
71          sizeof(has_rebind_tag<int>() | get()) == sizeof(yes_tag)
72        );
73};
74#   else // __BORLANDC__
75template< typename T >
76struct has_rebind_impl
77{
78    static T* get();
79    BOOST_STATIC_CONSTANT(bool, value = 
80          sizeof(has_rebind_tag<int>() | get()) == sizeof(yes_tag)
81        );
82};
83
84template< typename T >
85struct has_rebind
86    : if_< 
87          is_class<T>
88        , has_rebind_impl<T>
89        , bool_<false>
90        >::type
91{
92};
93#   endif // __BORLANDC__
94
95#endif
96
97}}}
98
99#endif // BOOST_MPL_AUX_HAS_REBIND_HPP_INCLUDED