| |
| // (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, Howard |
| // Hinnant & John Maddock 2000. |
| // 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. |
| |
| |
| #ifndef BOOST_TT_REMOVE_CONST_HPP_INCLUDED |
| #define BOOST_TT_REMOVE_CONST_HPP_INCLUDED |
| |
| #include <boost/type_traits/is_volatile.hpp> |
| #include <boost/type_traits/detail/cv_traits_impl.hpp> |
| #include <boost/config.hpp> |
| #include <boost/detail/workaround.hpp> |
| |
| #include <cstddef> |
| |
| // should be the last #include |
| #include <boost/type_traits/detail/type_trait_def.hpp> |
| |
| namespace boost { |
| |
| |
| namespace detail { |
| |
| template <typename T, bool is_vol> |
| struct remove_const_helper |
| { |
| typedef T type; |
| }; |
| |
| template <typename T> |
| struct remove_const_helper<T, true> |
| { |
| typedef T volatile type; |
| }; |
| |
| |
| template <typename T> |
| struct remove_const_impl |
| { |
| typedef typename remove_const_helper< |
| typename cv_traits_imp<BOOST_TT_AUX_CV_TRAITS_IMPL_PARAM(T)>::unqualified_type |
| , ::boost::is_volatile<T>::value |
| >::type type; |
| }; |
| |
| #ifndef BOOST_NO_CXX11_RVALUE_REFERENCES |
| // |
| // We can't filter out rvalue_references at the same level as |
| // references or we get ambiguities from msvc: |
| // |
| template <typename T> |
| struct remove_const_impl<T&&> |
| { |
| typedef T&& type; |
| }; |
| #endif |
| |
| } // namespace detail |
| |
| // * convert a type T to non-const type - remove_const<T> |
| |
| BOOST_TT_AUX_TYPE_TRAIT_DEF1(remove_const,T,typename boost::detail::remove_const_impl<T>::type) |
| BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,remove_const,T&,T&) |
| #if !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS) |
| BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_2(typename T,std::size_t N,remove_const,T const[N],T type[N]) |
| BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_2(typename T,std::size_t N,remove_const,T const volatile[N],T volatile type[N]) |
| #endif |
| |
| |
| } // namespace boost |
| |
| #include <boost/type_traits/detail/type_trait_undef.hpp> |
| |
| #endif // BOOST_TT_REMOVE_CONST_HPP_INCLUDED |