1 | // <range_access.h> -*- C++ -*- |
2 | |
3 | // Copyright (C) 2010-2014 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 | #if __cplusplus >= 201103L |
36 | |
37 | namespace 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 // C++11 |
104 | |
105 | #endif // _GLIBCXX_RANGE_ACCESS_H |
106 | |