| 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(__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 | |