1 2 // (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, Howard 3 // Hinnant & John Maddock 2000. 4 // Use, modification and distribution are subject to the Boost Software License, 5 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at 6 // http://www.boost.org/LICENSE_1_0.txt). 7 // 8 // See http://www.boost.org/libs/type_traits for most recent version including documentation. 9 10 11 #ifndef BOOST_TT_REMOVE_CONST_HPP_INCLUDED 12 #define BOOST_TT_REMOVE_CONST_HPP_INCLUDED 13 14 #include <boost/config.hpp> 15 #include <cstddef> // size_t 16 #include <boost/detail/workaround.hpp> 17 18 namespace boost { 19 20 // convert a type T to a non-cv-qualified type - remove_const<T> 21 template <class T> struct remove_const{ typedef T type; }; 22 template <class T> struct remove_const<T const>{ typedef T type; }; 23 24 #if !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS) 25 template <class T, std::size_t N> struct remove_const<T const[N]>{ typedef T type[N]; }; 26 #if !BOOST_WORKAROUND(BOOST_BORLANDC, < 0x600) && !defined(__IBMCPP__) && !BOOST_WORKAROUND(__DMC__, BOOST_TESTED_AT(0x840)) 27 template <class T> struct remove_const<T const[]>{ typedef T type[]; }; 28 #endif 29 #endif 30 31 #if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES) 32 33 template <class T> using remove_const_t = typename remove_const<T>::type; 34 35 #endif 36 37 } // namespace boost 38 39 #endif // BOOST_TT_REMOVE_CONST_HPP_INCLUDED 40