libstdc++
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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 * Do not attempt to use it directly. @headername{iterator} 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 namespace std _GLIBCXX_VISIBILITY(default) 00038 { 00039 _GLIBCXX_BEGIN_NAMESPACE_VERSION 00040 00041 /** 00042 * @brief Return an iterator pointing to the first element of 00043 * the container. 00044 * @param __cont Container. 00045 */ 00046 template<class _Container> 00047 inline auto 00048 begin(_Container& __cont) -> decltype(__cont.begin()) 00049 { return __cont.begin(); } 00050 00051 /** 00052 * @brief Return an iterator pointing to the first element of 00053 * the const container. 00054 * @param __cont Container. 00055 */ 00056 template<class _Container> 00057 inline auto 00058 begin(const _Container& __cont) -> decltype(__cont.begin()) 00059 { return __cont.begin(); } 00060 00061 /** 00062 * @brief Return an iterator pointing to one past the last element of 00063 * the container. 00064 * @param __cont Container. 00065 */ 00066 template<class _Container> 00067 inline auto 00068 end(_Container& __cont) -> decltype(__cont.end()) 00069 { return __cont.end(); } 00070 00071 /** 00072 * @brief Return an iterator pointing to one past the last element of 00073 * the const container. 00074 * @param __cont Container. 00075 */ 00076 template<class _Container> 00077 inline auto 00078 end(const _Container& __cont) -> decltype(__cont.end()) 00079 { return __cont.end(); } 00080 00081 /** 00082 * @brief Return an iterator pointing to the first element of the array. 00083 * @param __arr Array. 00084 */ 00085 template<class _Tp, size_t _Nm> 00086 inline _Tp* 00087 begin(_Tp (&__arr)[_Nm]) 00088 { return __arr; } 00089 00090 /** 00091 * @brief Return an iterator pointing to one past the last element 00092 * of the array. 00093 * @param __arr Array. 00094 */ 00095 template<class _Tp, size_t _Nm> 00096 inline _Tp* 00097 end(_Tp (&__arr)[_Nm]) 00098 { return __arr + _Nm; } 00099 00100 _GLIBCXX_END_NAMESPACE_VERSION 00101 } // namespace 00102 00103 #endif // __GXX_EXPERIMENTAL_CXX0X__ 00104 00105 #endif // _GLIBCXX_RANGE_ACCESS_H