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// <string> Forward declarations -*- C++ -*-
// Copyright (C) 2001-2022 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/stringfwd.h
* This is an internal header file, included by other library headers.
* Do not attempt to use it directly. @headername{string}
*/
//
// ISO C++ 14882: 21 Strings library
//
#ifndef _STRINGFWD_H
#define _STRINGFWD_H 1
#pragma GCC system_header
#include <bits/c++config.h>
#include <bits/memoryfwd.h>
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
/**
* @defgroup strings Strings
*
* @{
*/
template<class _CharT>
struct char_traits;
template<> struct char_traits<char>;
template<> struct char_traits<wchar_t>;
#ifdef _GLIBCXX_USE_CHAR8_T
template<> struct char_traits<char8_t>;
#endif
#if __cplusplus >= 201103L
template<> struct char_traits<char16_t>;
template<> struct char_traits<char32_t>;
#endif
_GLIBCXX_BEGIN_NAMESPACE_CXX11
template<typename _CharT, typename _Traits = char_traits<_CharT>,
typename _Alloc = allocator<_CharT> >
class basic_string;
_GLIBCXX_END_NAMESPACE_CXX11
/// A string of @c char
typedef basic_string<char> string;
/// A string of @c wchar_t
typedef basic_string<wchar_t> wstring;
#ifdef _GLIBCXX_USE_CHAR8_T
/// A string of @c char8_t
typedef basic_string<char8_t> u8string;
#endif
#if __cplusplus >= 201103L
/// A string of @c char16_t
typedef basic_string<char16_t> u16string;
/// A string of @c char32_t
typedef basic_string<char32_t> u32string;
#endif
/** @} */
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std
#endif // _STRINGFWD_H
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