Swiftdiff options
Diffstat (limited to '3rdParty/Boost/src/boost/type_traits/is_reference.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/type_traits/is_reference.hpp | 89 |
1 files changed, 8 insertions, 81 deletions
diff --git a/3rdParty/Boost/src/boost/type_traits/is_reference.hpp b/3rdParty/Boost/src/boost/type_traits/is_reference.hpp index dcf84db..49b5f9f 100644 --- a/3rdParty/Boost/src/boost/type_traits/is_reference.hpp +++ b/3rdParty/Boost/src/boost/type_traits/is_reference.hpp @@ -1,6 +1,6 @@ // (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, -// Howard Hinnant and John Maddock 2000. +// Howard Hinnant and John Maddock 2000, 2010. // (C) Copyright Mat Marcus, Jesse Jones and Adobe Systems Inc 2001 // Use, modification and distribution are subject to the Boost Software License, @@ -9,107 +9,34 @@ // // See http://www.boost.org/libs/type_traits for most recent version including documentation. -// Fixed is_pointer, is_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_REFERENCE_HPP_INCLUDED #define BOOST_TT_IS_REFERENCE_HPP_INCLUDED #include <boost/type_traits/config.hpp> - -#ifdef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION -# include <boost/type_traits/detail/yes_no_type.hpp> -# include <boost/type_traits/detail/wrap.hpp> -#endif +#include <boost/type_traits/is_lvalue_reference.hpp> +#include <boost/type_traits/is_rvalue_reference.hpp> +#include <boost/type_traits/ice.hpp> // should be the last #include #include <boost/type_traits/detail/bool_trait_def.hpp> namespace boost { -#if defined( __CODEGEARC__ ) -BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_reference,T,__is_reference(T)) -#elif !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) - -BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_reference,T,false) -BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T&,true) - -#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... -BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T& const,true) -BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T& volatile,true) -BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T& const volatile,true) -#endif - -#if defined(__GNUC__) && (__GNUC__ < 3) -// these allow us to work around illegally cv-qualified reference -// types. -BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T const ,::boost::is_reference<T>::value) -BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T volatile ,::boost::is_reference<T>::value) -BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T const volatile ,::boost::is_reference<T>::value) -// However, the above specializations confuse gcc 2.96 unless we also -// supply these specializations for array types -BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,unsigned long N,is_reference,T[N],false) -BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,unsigned long N,is_reference,const T[N],false) -BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,unsigned long N,is_reference,volatile T[N],false) -BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,unsigned long N,is_reference,const volatile T[N],false) -#endif - -#else - -#ifdef BOOST_MSVC -# pragma warning(push) -# pragma warning(disable: 4181 4097) -#endif - namespace detail { -using ::boost::type_traits::yes_type; -using ::boost::type_traits::no_type; -using ::boost::type_traits::wrap; - -template <class T> T&(* is_reference_helper1(wrap<T>) )(wrap<T>); -char is_reference_helper1(...); - -template <class T> no_type is_reference_helper2(T&(*)(wrap<T>)); -yes_type is_reference_helper2(...); - template <typename T> struct is_reference_impl { - BOOST_STATIC_CONSTANT( - bool, value = sizeof( - ::boost::detail::is_reference_helper2( - ::boost::detail::is_reference_helper1(::boost::type_traits::wrap<T>()))) == 1 - ); + BOOST_STATIC_CONSTANT(bool, value = + (::boost::type_traits::ice_or< + ::boost::is_lvalue_reference<T>::value, ::boost::is_rvalue_reference<T>::value + >::value)); }; -BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_reference,void,false) -#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS -BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_reference,void const,false) -BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_reference,void volatile,false) -BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_reference,void const volatile,false) -#endif - } // namespace detail BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_reference,T,::boost::detail::is_reference_impl<T>::value) -#ifdef BOOST_MSVC -# pragma warning(pop) -#endif - -#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION - } // namespace boost #include <boost/type_traits/detail/bool_trait_undef.hpp> |