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 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 // __GXX_EXPERIMENTAL_CXX0X__ 104 105 #endif // _GLIBCXX_RANGE_ACCESS_H 106