78 lines
2.1 KiB
C++
78 lines
2.1 KiB
C++
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// (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, Howard
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// Hinnant & John Maddock 2000.
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// Use, modification and distribution are subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt).
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//
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// See http://www.boost.org/libs/type_traits for most recent version including documentation.
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#ifndef BOOST_TT_REMOVE_VOLATILE_HPP_INCLUDED
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#define BOOST_TT_REMOVE_VOLATILE_HPP_INCLUDED
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#include <boost/type_traits/is_const.hpp>
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#include <boost/type_traits/detail/cv_traits_impl.hpp>
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#include <boost/config.hpp>
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#include <boost/detail/workaround.hpp>
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#include <cstddef>
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// should be the last #include
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#include <boost/type_traits/detail/type_trait_def.hpp>
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namespace boost {
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namespace detail {
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template <typename T, bool is_const>
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struct remove_volatile_helper
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{
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typedef T type;
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};
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template <typename T>
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struct remove_volatile_helper<T,true>
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{
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typedef T const type;
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};
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template <typename T>
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struct remove_volatile_impl
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{
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typedef typename remove_volatile_helper<
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typename cv_traits_imp<BOOST_TT_AUX_CV_TRAITS_IMPL_PARAM(T)>::unqualified_type
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, ::boost::is_const<T>::value
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>::type type;
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};
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//
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// We can't filter out rvalue_references at the same level as
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// references or we get ambiguities from msvc:
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//
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#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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template <typename T>
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struct remove_volatile_impl<T&&>
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{
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typedef T&& type;
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};
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#endif
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} // namespace detail
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// * convert a type T to a non-volatile type - remove_volatile<T>
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BOOST_TT_AUX_TYPE_TRAIT_DEF1(remove_volatile,T,typename boost::detail::remove_volatile_impl<T>::type)
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BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,remove_volatile,T&,T&)
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#if !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS)
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BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_2(typename T,std::size_t N,remove_volatile,T volatile[N],T type[N])
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BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_2(typename T,std::size_t N,remove_volatile,T const volatile[N],T const type[N])
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#endif
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} // namespace boost
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#include <boost/type_traits/detail/type_trait_undef.hpp>
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#endif // BOOST_TT_REMOVE_VOLATILE_HPP_INCLUDED
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