00001 // <range_access.h> -*- C++ -*- 00002 00003 // Copyright (C) 2010 Free Software Foundation, Inc. 00004 // 00005 // This file is part of the GNU ISO C++ Library. This library is free 00006 // software; you can redistribute it and/or modify it under the 00007 // terms of the GNU General Public License as published by the 00008 // Free Software Foundation; either version 3, or (at your option) 00009 // any later version. 00010 00011 // This library is distributed in the hope that it will be useful, 00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 // GNU General Public License for more details. 00015 00016 // Under Section 7 of GPL version 3, you are granted additional 00017 // permissions described in the GCC Runtime Library Exception, version 00018 // 3.1, as published by the Free Software Foundation. 00019 00020 // You should have received a copy of the GNU General Public License and 00021 // a copy of the GCC Runtime Library Exception along with this program; 00022 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 00023 // <http://www.gnu.org/licenses/>. 00024 00025 /** @file bits/range_access.h 00026 * This is an internal header file, included by other library headers. 00027 * You should not attempt to use it directly. 00028 */ 00029 00030 #ifndef _GLIBCXX_RANGE_ACCESS_H 00031 #define _GLIBCXX_RANGE_ACCESS_H 1 00032 00033 #pragma GCC system_header 00034 00035 #ifdef __GXX_EXPERIMENTAL_CXX0X__ 00036 00037 _GLIBCXX_BEGIN_NAMESPACE(std) 00038 00039 /** 00040 * @brief Return an iterator pointing to the first element of 00041 * the container. 00042 * @param cont Container. 00043 */ 00044 template<class _Container> 00045 inline auto 00046 begin(_Container& __cont) -> decltype(__cont.begin()) 00047 { return __cont.begin(); } 00048 00049 /** 00050 * @brief Return an iterator pointing to the first element of 00051 * the const container. 00052 * @param cont Container. 00053 */ 00054 template<class _Container> 00055 inline auto 00056 begin(const _Container& __cont) -> decltype(__cont.begin()) 00057 { return __cont.begin(); } 00058 00059 /** 00060 * @brief Return an iterator pointing to one past the last element of 00061 * the container. 00062 * @param cont Container. 00063 */ 00064 template<class _Container> 00065 inline auto 00066 end(_Container& __cont) -> decltype(__cont.end()) 00067 { return __cont.end(); } 00068 00069 /** 00070 * @brief Return an iterator pointing to one past the last element of 00071 * the const container. 00072 * @param cont Container. 00073 */ 00074 template<class _Container> 00075 inline auto 00076 end(const _Container& __cont) -> decltype(__cont.end()) 00077 { return __cont.end(); } 00078 00079 /** 00080 * @brief Return an iterator pointing to the first element of the array. 00081 * @param arr Array. 00082 */ 00083 template<class _Tp, size_t _Nm> 00084 inline _Tp* 00085 begin(_Tp (&__arr)[_Nm]) 00086 { return __arr; } 00087 00088 /** 00089 * @brief Return an iterator pointing to one past the last element 00090 * of the array. 00091 * @param arr Array. 00092 */ 00093 template<class _Tp, size_t _Nm> 00094 inline _Tp* 00095 end(_Tp (&__arr)[_Nm]) 00096 { return __arr + _Nm; } 00097 00098 _GLIBCXX_END_NAMESPACE 00099 00100 #endif // __GXX_EXPERIMENTAL_CXX0X__ 00101 00102 #endif // _GLIBCXX_RANGE_ACCESS_H