boost/type_traits/remove_extent.hpp

0001
0002 //  (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000-2005.
0003 //  Use, modification and distribution are subject to the Boost Software License,
0004 //  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
0005 //  http://www.boost.org/LICENSE_1_0.txt).
0006 //
0007 //  See http://www.boost.org/libs/type_traits for most recent version including documentation.
0008
0009 #ifndef BOOST_TT_REMOVE_EXTENT_HPP_INCLUDED
0010 #define BOOST_TT_REMOVE_EXTENT_HPP_INCLUDED
0011
0012 #include <boost/config.hpp>
0013 #include <boost/detail/workaround.hpp>
0014 #include <cstddef> // size_t
0015
0016 namespace boost {
0017
0018 template <class T> struct remove_extent{ typedef T type; };
0019
0020 #if !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS)
0021 template <typename T, std::size_t N> struct remove_extent<T[N]> { typedef T type; };
0022 template <typename T, std::size_t N> struct remove_extent<T const[N]> { typedef T const type; };
0023 template <typename T, std::size_t N> struct remove_extent<T volatile [N]> { typedef T volatile type; };
0024 template <typename T, std::size_t N> struct remove_extent<T const volatile [N]> { typedef T const volatile type; };
0025 #if !BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x610)) && !defined(__IBMCPP__) &&  !BOOST_WORKAROUND(__DMC__, BOOST_TESTED_AT(0x840))
0026 template <typename T> struct remove_extent<T[]> { typedef T type; };
0027 template <typename T> struct remove_extent<T const[]> { typedef T const type; };
0028 template <typename T> struct remove_extent<T volatile[]> { typedef T volatile type; };
0029 template <typename T> struct remove_extent<T const volatile[]> { typedef T const volatile type; };
0030 #endif
0031 #endif
0032
0033 #if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
0034
0035    template <class T> using remove_extent_t = typename remove_extent<T>::type;
0036
0037 #endif
0038
0039 } // namespace boost
0040
0041 #endif // BOOST_TT_REMOVE_BOUNDS_HPP_INCLUDED