1
2// (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000-2005.
3// Use, modification and distribution are subject to the Boost Software License,
4// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
5// http://www.boost.org/LICENSE_1_0.txt).
6//
7// See http://www.boost.org/libs/type_traits for most recent version including documentation.
8
9#ifndef BOOST_TT_REMOVE_EXTENT_HPP_INCLUDED
10#define BOOST_TT_REMOVE_EXTENT_HPP_INCLUDED
11
12#include <boost/config.hpp>
13#include <boost/detail/workaround.hpp>
14#include <cstddef> // size_t
15
16namespace boost {
17
18template <class T> struct remove_extent{ typedef T type; };
19
20#if !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS)
21template <typename T, std::size_t N> struct remove_extent<T[N]> { typedef T type; };
22template <typename T, std::size_t N> struct remove_extent<T const[N]> { typedef T const type; };
23template <typename T, std::size_t N> struct remove_extent<T volatile [N]> { typedef T volatile type; };
24template <typename T, std::size_t N> struct remove_extent<T const volatile [N]> { typedef T const volatile type; };
25#if !BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x610)) && !defined(__IBMCPP__) && !BOOST_WORKAROUND(__DMC__, BOOST_TESTED_AT(0x840))
26template <typename T> struct remove_extent<T[]> { typedef T type; };
27template <typename T> struct remove_extent<T const[]> { typedef T const type; };
28template <typename T> struct remove_extent<T volatile[]> { typedef T volatile type; };
29template <typename T> struct remove_extent<T const volatile[]> { typedef T const volatile type; };
30#endif
31#endif
32
33#if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
34
35 template <class T> using remove_extent_t = typename remove_extent<T>::type;
36
37#endif
38
39} // namespace boost
40
41#endif // BOOST_TT_REMOVE_BOUNDS_HPP_INCLUDED
42

source code of include/boost/type_traits/remove_extent.hpp