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