diff options
Diffstat (limited to 'contrib/src/boost/type_traits/is_lvalue_reference.hpp')
-rw-r--r-- | contrib/src/boost/type_traits/is_lvalue_reference.hpp | 100 |
1 files changed, 50 insertions, 50 deletions
diff --git a/contrib/src/boost/type_traits/is_lvalue_reference.hpp b/contrib/src/boost/type_traits/is_lvalue_reference.hpp index af5e1d0..e94d787 100644 --- a/contrib/src/boost/type_traits/is_lvalue_reference.hpp +++ b/contrib/src/boost/type_traits/is_lvalue_reference.hpp @@ -1,50 +1,50 @@ -
-// (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes,
-// Howard Hinnant and John Maddock 2000.
-// (C) Copyright Mat Marcus, Jesse Jones and Adobe Systems Inc 2001
-
-// Use, modification and distribution are subject to 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/type_traits for most recent version including documentation.
-
-// Fixed is_pointer, is_lvalue_reference, is_const, is_volatile, is_same,
-// is_member_pointer based on the Simulated Partial Specialization work
-// of Mat Marcus and Jesse Jones. See http://opensource.adobe.com or
-// http://groups.yahoo.com/group/boost/message/5441
-// Some workarounds in here use ideas suggested from "Generic<Programming>:
-// Mappings between Types and Values"
-// by Andrei Alexandrescu (see http://www.cuj.com/experts/1810/alexandr.html).
-
-
-#ifndef BOOST_TT_IS_LVALUE_REFERENCE_HPP_INCLUDED
-#define BOOST_TT_IS_LVALUE_REFERENCE_HPP_INCLUDED
-
-#include <boost/type_traits/integral_constant.hpp>
-
-namespace boost {
-
-#if defined( __CODEGEARC__ )
- template <class T> struct is_lvalue_reference : public integral_constant<bool, __is_reference(T)>{};
-#else
-
- template <class T> struct is_lvalue_reference : public false_type{};
- template <class T> struct is_lvalue_reference<T&> : public true_type{};
-
-#if defined(BOOST_ILLEGAL_CV_REFERENCES)
-// these are illegal specialisations; cv-qualifies applied to
-// references have no effect according to [8.3.2p1],
-// C++ Builder requires them though as it treats cv-qualified
-// references as distinct types...
- template <class T> struct is_lvalue_reference<T&const> : public true_type{};
- template <class T> struct is_lvalue_reference<T&volatile> : public true_type{};
- template <class T> struct is_lvalue_reference<T&const volatile> : public true_type{};
-#endif
-
-#endif
-
-} // namespace boost
-
-#endif // BOOST_TT_IS_REFERENCE_HPP_INCLUDED
-
+ +// (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, +// Howard Hinnant and John Maddock 2000. +// (C) Copyright Mat Marcus, Jesse Jones and Adobe Systems Inc 2001 + +// Use, modification and distribution are subject to 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/type_traits for most recent version including documentation. + +// Fixed is_pointer, is_lvalue_reference, is_const, is_volatile, is_same, +// is_member_pointer based on the Simulated Partial Specialization work +// of Mat Marcus and Jesse Jones. See http://opensource.adobe.com or +// http://groups.yahoo.com/group/boost/message/5441 +// Some workarounds in here use ideas suggested from "Generic<Programming>: +// Mappings between Types and Values" +// by Andrei Alexandrescu (see http://www.cuj.com/experts/1810/alexandr.html). + + +#ifndef BOOST_TT_IS_LVALUE_REFERENCE_HPP_INCLUDED +#define BOOST_TT_IS_LVALUE_REFERENCE_HPP_INCLUDED + +#include <boost/type_traits/integral_constant.hpp> + +namespace boost { + +#if defined( __CODEGEARC__ ) + template <class T> struct is_lvalue_reference : public integral_constant<bool, __is_reference(T)>{}; +#else + + template <class T> struct is_lvalue_reference : public false_type{}; + template <class T> struct is_lvalue_reference<T&> : public true_type{}; + +#if defined(BOOST_ILLEGAL_CV_REFERENCES) +// these are illegal specialisations; cv-qualifies applied to +// references have no effect according to [8.3.2p1], +// C++ Builder requires them though as it treats cv-qualified +// references as distinct types... + template <class T> struct is_lvalue_reference<T&const> : public true_type{}; + template <class T> struct is_lvalue_reference<T&volatile> : public true_type{}; + template <class T> struct is_lvalue_reference<T&const volatile> : public true_type{}; +#endif + +#endif + +} // namespace boost + +#endif // BOOST_TT_IS_REFERENCE_HPP_INCLUDED + |