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// <string> Forward declarations -*- C++ -*- |
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// Copyright (C) 2001-2021 Free Software Foundation, Inc. |
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// |
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// This file is part of the GNU ISO C++ Library. This library is free |
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// software; you can redistribute it and/or modify it under the |
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// terms of the GNU General Public License as published by the |
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// Free Software Foundation; either version 3, or (at your option) |
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// any later version. |
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|
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// This library is distributed in the hope that it will be useful, |
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// but WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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// GNU General Public License for more details. |
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|
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// Under Section 7 of GPL version 3, you are granted additional |
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// permissions described in the GCC Runtime Library Exception, version |
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// 3.1, as published by the Free Software Foundation. |
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|
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// You should have received a copy of the GNU General Public License and |
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// a copy of the GCC Runtime Library Exception along with this program; |
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
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// <http://www.gnu.org/licenses/>. |
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|
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/** @file bits/stringfwd.h |
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* This is an internal header file, included by other library headers. |
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* Do not attempt to use it directly. @headername{string} |
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*/ |
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// |
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// ISO C++ 14882: 21 Strings library |
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// |
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#ifndef _STRINGFWD_H |
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#define _STRINGFWD_H 1 |
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|
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#pragma GCC system_header |
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#include <bits/c++config.h> |
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#include <bits/memoryfwd.h> |
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|
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namespace std _GLIBCXX_VISIBILITY(default) |
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{ |
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_GLIBCXX_BEGIN_NAMESPACE_VERSION |
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|
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/** |
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* @defgroup strings Strings |
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* |
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* @{ |
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*/ |
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|
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template<class _CharT> |
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struct char_traits; |
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|
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template<> struct char_traits<char>; |
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|
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#ifdef _GLIBCXX_USE_WCHAR_T |
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template<> struct char_traits<wchar_t>; |
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#endif |
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|
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#ifdef _GLIBCXX_USE_CHAR8_T |
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template<> struct char_traits<char8_t>; |
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#endif |
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|
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#if __cplusplus >= 201103L |
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template<> struct char_traits<char16_t>; |
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template<> struct char_traits<char32_t>; |
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#endif |
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|
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_GLIBCXX_BEGIN_NAMESPACE_CXX11 |
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|
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template<typename _CharT, typename _Traits = char_traits<_CharT>, |
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typename _Alloc = allocator<_CharT> > |
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class basic_string; |
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|
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_GLIBCXX_END_NAMESPACE_CXX11 |
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|
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/// A string of @c char |
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typedef basic_string<char> string; |
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|
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#ifdef _GLIBCXX_USE_WCHAR_T |
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/// A string of @c wchar_t |
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typedef basic_string<wchar_t> wstring; |
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#endif |
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|
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#ifdef _GLIBCXX_USE_CHAR8_T |
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/// A string of @c char8_t |
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typedef basic_string<char8_t> u8string; |
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#endif |
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|
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#if __cplusplus >= 201103L |
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/// A string of @c char16_t |
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typedef basic_string<char16_t> u16string; |
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|
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/// A string of @c char32_t |
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typedef basic_string<char32_t> u32string; |
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#endif |
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/** @} */ |
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|
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_GLIBCXX_END_NAMESPACE_VERSION |
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} // namespace std |
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|
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#endif // _STRINGFWD_H |
