Swiftdiff options
Diffstat (limited to '3rdParty/Boost/src/boost/type_traits/is_const.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/type_traits/is_const.hpp | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/3rdParty/Boost/src/boost/type_traits/is_const.hpp b/3rdParty/Boost/src/boost/type_traits/is_const.hpp index e66d18a..812ed15 100644 --- a/3rdParty/Boost/src/boost/type_traits/is_const.hpp +++ b/3rdParty/Boost/src/boost/type_traits/is_const.hpp @@ -50,12 +50,31 @@ BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_const,T,__is_const(T)) #elif !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) -//* is a type T declared const - is_const<T> +namespace detail{ +// +// We can't filter out rvalue_references at the same level as +// references or we get ambiguities from msvc: +// +template <class T> +struct is_const_rvalue_filter +{ #if BOOST_WORKAROUND(BOOST_MSVC, < 1400) - BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_const,T,::boost::detail::cv_traits_imp<typename remove_bounds<T>::type*>::is_const) + BOOST_STATIC_CONSTANT(bool, value = ::boost::detail::cv_traits_imp<typename boost::remove_bounds<T>::type*>::is_const); #else - BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_const,T,::boost::detail::cv_traits_imp<T*>::is_const) + BOOST_STATIC_CONSTANT(bool, value = ::boost::detail::cv_traits_imp<T*>::is_const); +#endif +}; +#ifndef BOOST_NO_RVALUE_REFERENCES +template <class T> +struct is_const_rvalue_filter<T&&> +{ + BOOST_STATIC_CONSTANT(bool, value = false); +}; #endif +} + +//* is a type T declared const - is_const<T> +BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_const,T,::boost::detail::is_const_rvalue_filter<T>::value) BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_const,T&,false) #if defined(BOOST_ILLEGAL_CV_REFERENCES) @@ -98,7 +117,7 @@ struct is_const_helper<false,false> { static T* t; BOOST_STATIC_CONSTANT(bool, value = ( - sizeof(detail::yes_type) == sizeof(detail::is_const_tester(t)) + sizeof(boost::detail::yes_type) == sizeof(boost::detail::is_const_tester(t)) )); }; }; @@ -110,7 +129,7 @@ struct is_const_helper<false,true> { static T t; BOOST_STATIC_CONSTANT(bool, value = ( - sizeof(detail::yes_type) == sizeof(detail::is_const_tester(&t)) + sizeof(boost::detail::yes_type) == sizeof(boost::detail::is_const_tester(&t)) )); }; }; |