1 1.1.1.2 mrg // <string> Forward declarations -*- C++ -*- 2 1.1 mrg 3 1.1.1.12 mrg // Copyright (C) 2001-2024 Free Software Foundation, Inc. 4 1.1 mrg // 5 1.1 mrg // This file is part of the GNU ISO C++ Library. This library is free 6 1.1 mrg // software; you can redistribute it and/or modify it under the 7 1.1 mrg // terms of the GNU General Public License as published by the 8 1.1 mrg // Free Software Foundation; either version 3, or (at your option) 9 1.1 mrg // any later version. 10 1.1 mrg 11 1.1 mrg // This library is distributed in the hope that it will be useful, 12 1.1 mrg // but WITHOUT ANY WARRANTY; without even the implied warranty of 13 1.1 mrg // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 1.1 mrg // GNU General Public License for more details. 15 1.1 mrg 16 1.1 mrg // Under Section 7 of GPL version 3, you are granted additional 17 1.1 mrg // permissions described in the GCC Runtime Library Exception, version 18 1.1 mrg // 3.1, as published by the Free Software Foundation. 19 1.1 mrg 20 1.1 mrg // You should have received a copy of the GNU General Public License and 21 1.1 mrg // a copy of the GCC Runtime Library Exception along with this program; 22 1.1 mrg // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23 1.1 mrg // <http://www.gnu.org/licenses/>. 24 1.1 mrg 25 1.1.1.2 mrg /** @file bits/stringfwd.h 26 1.1 mrg * This is an internal header file, included by other library headers. 27 1.1.1.2 mrg * Do not attempt to use it directly. @headername{string} 28 1.1 mrg */ 29 1.1 mrg 30 1.1 mrg // 31 1.1 mrg // ISO C++ 14882: 21 Strings library 32 1.1 mrg // 33 1.1 mrg 34 1.1 mrg #ifndef _STRINGFWD_H 35 1.1 mrg #define _STRINGFWD_H 1 36 1.1 mrg 37 1.1 mrg #pragma GCC system_header 38 1.1 mrg 39 1.1 mrg #include <bits/c++config.h> 40 1.1.1.2 mrg #include <bits/memoryfwd.h> 41 1.1 mrg 42 1.1.1.2 mrg namespace std _GLIBCXX_VISIBILITY(default) 43 1.1.1.2 mrg { 44 1.1.1.2 mrg _GLIBCXX_BEGIN_NAMESPACE_VERSION 45 1.1 mrg 46 1.1 mrg /** 47 1.1 mrg * @defgroup strings Strings 48 1.1 mrg * 49 1.1 mrg * @{ 50 1.1 mrg */ 51 1.1 mrg 52 1.1 mrg template<class _CharT> 53 1.1 mrg struct char_traits; 54 1.1 mrg 55 1.1.1.3 mrg template<> struct char_traits<char>; 56 1.1.1.3 mrg 57 1.1.1.3 mrg template<> struct char_traits<wchar_t>; 58 1.1.1.3 mrg 59 1.1.1.9 mrg #ifdef _GLIBCXX_USE_CHAR8_T 60 1.1.1.9 mrg template<> struct char_traits<char8_t>; 61 1.1.1.9 mrg #endif 62 1.1.1.9 mrg 63 1.1.1.9 mrg #if __cplusplus >= 201103L 64 1.1.1.3 mrg template<> struct char_traits<char16_t>; 65 1.1.1.3 mrg template<> struct char_traits<char32_t>; 66 1.1.1.3 mrg #endif 67 1.1.1.3 mrg 68 1.1.1.3 mrg _GLIBCXX_BEGIN_NAMESPACE_CXX11 69 1.1.1.3 mrg 70 1.1 mrg template<typename _CharT, typename _Traits = char_traits<_CharT>, 71 1.1 mrg typename _Alloc = allocator<_CharT> > 72 1.1 mrg class basic_string; 73 1.1 mrg 74 1.1.1.9 mrg _GLIBCXX_END_NAMESPACE_CXX11 75 1.1.1.9 mrg 76 1.1.1.2 mrg /// A string of @c char 77 1.1.1.2 mrg typedef basic_string<char> string; 78 1.1 mrg 79 1.1.1.2 mrg /// A string of @c wchar_t 80 1.1.1.2 mrg typedef basic_string<wchar_t> wstring; 81 1.1 mrg 82 1.1.1.9 mrg #ifdef _GLIBCXX_USE_CHAR8_T 83 1.1.1.9 mrg /// A string of @c char8_t 84 1.1.1.9 mrg typedef basic_string<char8_t> u8string; 85 1.1.1.9 mrg #endif 86 1.1.1.9 mrg 87 1.1.1.9 mrg #if __cplusplus >= 201103L 88 1.1.1.2 mrg /// A string of @c char16_t 89 1.1.1.2 mrg typedef basic_string<char16_t> u16string; 90 1.1.1.2 mrg 91 1.1.1.2 mrg /// A string of @c char32_t 92 1.1.1.2 mrg typedef basic_string<char32_t> u32string; 93 1.1 mrg #endif 94 1.1.1.3 mrg 95 1.1 mrg /** @} */ 96 1.1 mrg 97 1.1.1.2 mrg _GLIBCXX_END_NAMESPACE_VERSION 98 1.1.1.2 mrg } // namespace std 99 1.1 mrg 100 1.1 mrg #endif // _STRINGFWD_H 101
Indexes created Tue Mar 03 05:31:39 UTC 2026