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Diffstat (limited to 'libstdc++-v3/include/bits/range_access.h')
-rw-r--r-- | libstdc++-v3/include/bits/range_access.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/libstdc++-v3/include/bits/range_access.h b/libstdc++-v3/include/bits/range_access.h new file mode 100644 index 00000000000..e9bf67e499b --- /dev/null +++ b/libstdc++-v3/include/bits/range_access.h @@ -0,0 +1,102 @@ +// <range_access.h> -*- C++ -*- + +// Copyright (C) 2010 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 3, or (at your option) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// Under Section 7 of GPL version 3, you are granted additional +// permissions described in the GCC Runtime Library Exception, version +// 3.1, as published by the Free Software Foundation. + +// You should have received a copy of the GNU General Public License and +// a copy of the GCC Runtime Library Exception along with this program; +// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +// <http://www.gnu.org/licenses/>. + +/** @file bits/range_access.h + * This is an internal header file, included by other library headers. + * You should not attempt to use it directly. + */ + +#ifndef _GLIBCXX_RANGE_ACCESS_H +#define _GLIBCXX_RANGE_ACCESS_H 1 + +#pragma GCC system_header + +#ifdef __GXX_EXPERIMENTAL_CXX0X__ + +_GLIBCXX_BEGIN_NAMESPACE(std) + + /** + * @brief Return an iterator pointing to the first element of + * the container. + * @param cont Container. + */ + template<class _Container> + inline auto + begin(_Container& __cont) -> decltype(__cont.begin()) + { return __cont.begin(); } + + /** + * @brief Return an iterator pointing to the first element of + * the const container. + * @param cont Container. + */ + template<class _Container> + inline auto + begin(const _Container& __cont) -> decltype(__cont.begin()) + { return __cont.begin(); } + + /** + * @brief Return an iterator pointing to one past the last element of + * the container. + * @param cont Container. + */ + template<class _Container> + inline auto + end(_Container& __cont) -> decltype(__cont.end()) + { return __cont.end(); } + + /** + * @brief Return an iterator pointing to one past the last element of + * the const container. + * @param cont Container. + */ + template<class _Container> + inline auto + end(const _Container& __cont) -> decltype(__cont.end()) + { return __cont.end(); } + + /** + * @brief Return an iterator pointing to the first element of the array. + * @param arr Array. + */ + template<class _Tp, size_t _Nm> + inline _Tp* + begin(_Tp (&__arr)[_Nm]) + { return __arr; } + + /** + * @brief Return an iterator pointing to one past the last element + * of the array. + * @param arr Array. + */ + template<class _Tp, size_t _Nm> + inline _Tp* + end(_Tp (&__arr)[_Nm]) + { return __arr + _Nm; } + +_GLIBCXX_END_NAMESPACE + +#endif // __GXX_EXPERIMENTAL_CXX0X__ + +#endif // _GLIBCXX_RANGE_ACCESS_H |