1// <range_access.h> -*- C++ -*-
2
3// Copyright (C) 2010 Free Software Foundation, Inc.
4//
5// This file is part of the GNU ISO C++ Library.  This library is free
6// software; you can redistribute it and/or modify it under the
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 3, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14// GNU General Public License for more details.
15
16// Under Section 7 of GPL version 3, you are granted additional
17// permissions described in the GCC Runtime Library Exception, version
18// 3.1, as published by the Free Software Foundation.
19
20// You should have received a copy of the GNU General Public License and
21// a copy of the GCC Runtime Library Exception along with this program;
22// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
23// <http://www.gnu.org/licenses/>.
24
25/** @file bits/range_access.h
26 *  This is an internal header file, included by other library headers.
27 *  Do not attempt to use it directly. @headername{iterator}
28 */
29
30#ifndef _GLIBCXX_RANGE_ACCESS_H
31#define _GLIBCXX_RANGE_ACCESS_H 1
32
33#pragma GCC system_header
34
35#ifdef __GXX_EXPERIMENTAL_CXX0X__
36
37namespace std _GLIBCXX_VISIBILITY(default)
38{
39_GLIBCXX_BEGIN_NAMESPACE_VERSION
40
41  /**
42   *  @brief  Return an iterator pointing to the first element of
43   *          the container.
44   *  @param  __cont  Container.
45   */
46  template<class _Container>
47    inline auto
48    begin(_Container& __cont) -> decltype(__cont.begin())
49    { return __cont.begin(); }
50
51  /**
52   *  @brief  Return an iterator pointing to the first element of
53   *          the const container.
54   *  @param  __cont  Container.
55   */
56  template<class _Container>
57    inline auto
58    begin(const _Container& __cont) -> decltype(__cont.begin())
59    { return __cont.begin(); }
60
61  /**
62   *  @brief  Return an iterator pointing to one past the last element of
63   *          the container.
64   *  @param  __cont  Container.
65   */
66  template<class _Container>
67    inline auto
68    end(_Container& __cont) -> decltype(__cont.end())
69    { return __cont.end(); }
70
71  /**
72   *  @brief  Return an iterator pointing to one past the last element of
73   *          the const container.
74   *  @param  __cont  Container.
75   */
76  template<class _Container>
77    inline auto
78    end(const _Container& __cont) -> decltype(__cont.end())
79    { return __cont.end(); }
80
81  /**
82   *  @brief  Return an iterator pointing to the first element of the array.
83   *  @param  __arr  Array.
84   */
85  template<class _Tp, size_t _Nm>
86    inline _Tp*
87    begin(_Tp (&__arr)[_Nm])
88    { return __arr; }
89
90  /**
91   *  @brief  Return an iterator pointing to one past the last element
92   *          of the array.
93   *  @param  __arr  Array.
94   */
95  template<class _Tp, size_t _Nm>
96    inline _Tp*
97    end(_Tp (&__arr)[_Nm])
98    { return __arr + _Nm; }
99
100_GLIBCXX_END_NAMESPACE_VERSION
101} // namespace
102
103#endif // __GXX_EXPERIMENTAL_CXX0X__
104
105#endif // _GLIBCXX_RANGE_ACCESS_H
106