diff options
Diffstat (limited to 'contrib/src/boost/mpl/aux_/msvc_is_class.hpp')
-rw-r--r-- | contrib/src/boost/mpl/aux_/msvc_is_class.hpp | 116 |
1 files changed, 58 insertions, 58 deletions
diff --git a/contrib/src/boost/mpl/aux_/msvc_is_class.hpp b/contrib/src/boost/mpl/aux_/msvc_is_class.hpp index acd40e3..d6c7691 100644 --- a/contrib/src/boost/mpl/aux_/msvc_is_class.hpp +++ b/contrib/src/boost/mpl/aux_/msvc_is_class.hpp @@ -1,58 +1,58 @@ - -#ifndef BOOST_MPL_AUX_MSVC_IS_CLASS_HPP_INCLUDED -#define BOOST_MPL_AUX_MSVC_IS_CLASS_HPP_INCLUDED - -// Copyright Aleksey Gurtovoy 2002-2004 -// -// Distributed under the Boost Software License, Version 1.0. -// (See accompanying file LICENSE_1_0.txt or copy at -// http://www.boost.org/LICENSE_1_0.txt) -// -// See http://www.boost.org/libs/mpl for documentation. - -// $Id$ -// $Date$ -// $Revision$ - -#include <boost/mpl/if.hpp> -#include <boost/mpl/bool.hpp> -#include <boost/mpl/aux_/type_wrapper.hpp> -#include <boost/mpl/aux_/yes_no.hpp> - -#include <boost/type_traits/is_reference.hpp> - -namespace boost { namespace mpl { namespace aux { - -template< typename T > struct is_class_helper -{ - typedef int (T::* type)(); -}; - -// MSVC 6.x-specific lightweight 'is_class' implementation; -// Distinguishing feature: does not instantiate the type being tested. -template< typename T > -struct msvc_is_class_impl -{ - template< typename U> - static yes_tag test(type_wrapper<U>*, /*typename*/ is_class_helper<U>::type = 0); - static no_tag test(void const volatile*, ...); - - enum { value = sizeof(test((type_wrapper<T>*)0)) == sizeof(yes_tag) }; - typedef bool_<value> type; -}; - -// agurt, 17/sep/04: have to check for 'is_reference' upfront to avoid ICEs in -// complex metaprograms -template< typename T > -struct msvc_is_class - : if_< - is_reference<T> - , false_ - , msvc_is_class_impl<T> - >::type -{ -}; - -}}} - -#endif // BOOST_MPL_AUX_MSVC_IS_CLASS_HPP_INCLUDED +
+#ifndef BOOST_MPL_AUX_MSVC_IS_CLASS_HPP_INCLUDED
+#define BOOST_MPL_AUX_MSVC_IS_CLASS_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2002-2004
+//
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+//
+// See http://www.boost.org/libs/mpl for documentation.
+
+// $Id$
+// $Date$
+// $Revision$
+
+#include <boost/mpl/if.hpp>
+#include <boost/mpl/bool.hpp>
+#include <boost/mpl/aux_/type_wrapper.hpp>
+#include <boost/mpl/aux_/yes_no.hpp>
+
+#include <boost/type_traits/is_reference.hpp>
+
+namespace boost { namespace mpl { namespace aux {
+
+template< typename T > struct is_class_helper
+{
+ typedef int (T::* type)();
+};
+
+// MSVC 6.x-specific lightweight 'is_class' implementation;
+// Distinguishing feature: does not instantiate the type being tested.
+template< typename T >
+struct msvc_is_class_impl
+{
+ template< typename U>
+ static yes_tag test(type_wrapper<U>*, /*typename*/ is_class_helper<U>::type = 0);
+ static no_tag test(void const volatile*, ...);
+
+ enum { value = sizeof(test((type_wrapper<T>*)0)) == sizeof(yes_tag) };
+ typedef bool_<value> type;
+};
+
+// agurt, 17/sep/04: have to check for 'is_reference' upfront to avoid ICEs in
+// complex metaprograms
+template< typename T >
+struct msvc_is_class
+ : if_<
+ is_reference<T>
+ , false_
+ , msvc_is_class_impl<T>
+ >::type
+{
+};
+
+}}}
+
+#endif // BOOST_MPL_AUX_MSVC_IS_CLASS_HPP_INCLUDED
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