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_CV_HPP_INCLUDED |
12 | #define BOOST_TT_REMOVE_CV_HPP_INCLUDED |
13 | |
14 | #include <boost/config.hpp> |
15 | #include <boost/detail/workaround.hpp> |
16 | #include <cstddef> // size_t |
17 | |
18 | namespace boost { |
19 | |
20 | // convert a type T to a non-cv-qualified type - remove_cv<T> |
21 | template <class T> struct remove_cv{ typedef T type; }; |
22 | template <class T> struct remove_cv<T const>{ typedef T type; }; |
23 | template <class T> struct remove_cv<T volatile>{ typedef T type; }; |
24 | template <class T> struct remove_cv<T const volatile>{ typedef T type; }; |
25 | |
26 | #if !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS) |
27 | template <class T, std::size_t N> struct remove_cv<T const[N]>{ typedef T type[N]; }; |
28 | template <class T, std::size_t N> struct remove_cv<T const volatile[N]>{ typedef T type[N]; }; |
29 | template <class T, std::size_t N> struct remove_cv<T volatile[N]>{ typedef T type[N]; }; |
30 | #if !BOOST_WORKAROUND(BOOST_BORLANDC, < 0x600) && !defined(__IBMCPP__) && !BOOST_WORKAROUND(__DMC__, BOOST_TESTED_AT(0x840)) |
31 | template <class T> struct remove_cv<T const[]>{ typedef T type[]; }; |
32 | template <class T> struct remove_cv<T const volatile[]>{ typedef T type[]; }; |
33 | template <class T> struct remove_cv<T volatile[]>{ typedef T type[]; }; |
34 | #endif |
35 | #endif |
36 | |
37 | #if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES) |
38 | |
39 | template <class T> using remove_cv_t = typename remove_cv<T>::type; |
40 | |
41 | #endif |
42 | |
43 | } // namespace boost |
44 | |
45 | #endif // BOOST_TT_REMOVE_CV_HPP_INCLUDED |
46 | |