// String support -*- C++ -*-// Copyright (C) 2001, 2002 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 2, 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.// You should have received a copy of the GNU General Public License along// with this library; see the file COPYING. If not, write to the Free// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,// USA.// As a special exception, you may use this file as part of a free software// library without restriction. Specifically, if other files instantiate// templates or use macros or inline functions from this file, or you compile// this file and link it with other files to produce an executable, this// file does not by itself cause the resulting executable to be covered by// the GNU General Public License. This exception does not however// invalidate any other reasons why the executable file might be covered by// the GNU General Public License.//// ISO C++ 14882: 21 Strings library///** @file stringfwd.h* This is an internal header file, included by other library headers.* You should not attempt to use it directly.*/#ifndef _STRINGFWD_H#define _STRINGFWD_H 1#pragma GCC system_header#include <bits/c++config.h>namespace std{template<typename _Alloc>class allocator;template<class _CharT>struct char_traits;template<typename _CharT, typename _Traits = char_traits<_CharT>,typename _Alloc = allocator<_CharT> >class basic_string;template<> struct char_traits<char>;typedef basic_string<char> string;#ifdef _GLIBCXX_USE_WCHAR_Ttemplate<> struct char_traits<wchar_t>;typedef basic_string<wchar_t> wstring;#endif} // namespace std#endif // _STRINGFWD_H