libstdc++: string Source File

libstdc++

experimental/string
Go to the documentation of this file.
1// <experimental/string> -*- C++ -*-
2
3// Copyright (C) 2015-2026 Free Software Foundation, Inc.
4//
5// This file is part of the GNU ISO C++ Library. This library is free
6// software; you can redistribute it and/or modify it under the
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 3, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14// GNU General Public License for more details.
15
16// Under Section 7 of GPL version 3, you are granted additional
17// permissions described in the GCC Runtime Library Exception, version
18// 3.1, as published by the Free Software Foundation.
19
20// You should have received a copy of the GNU General Public License and
21// a copy of the GCC Runtime Library Exception along with this program;
22// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23// <http://www.gnu.org/licenses/>.
24
25/** @file experimental/string
26 * This is a TS C++ Library header.
27 * @ingroup libfund-ts
28 */
29
30#ifndef _GLIBCXX_EXPERIMENTAL_STRING
31#define _GLIBCXX_EXPERIMENTAL_STRING 1
32
33#ifdef _GLIBCXX_SYSHDR
34#pragma GCC system_header
35#endif
36
37#include <bits/requires_hosted.h> // experimental is currently omitted
38
39#if __cplusplus >= 201402L
40
41#include <string>
42#include <algorithm>
43#include <experimental/memory_resource>
44
45 namespace std _GLIBCXX_VISIBILITY(default)
46{
47_GLIBCXX_BEGIN_NAMESPACE_VERSION
48
49 namespace experimental
50{
51 inline namespace fundamentals_v2
52{
53 template<typename _CharT, typename _Traits, typename _Alloc,
54 typename _Predicate>
55 inline void
56 erase_if(basic_string<_CharT, _Traits, _Alloc>& __cont, _Predicate __pred)
57 {
58 __cont.erase(std::remove_if(__cont.begin(), __cont.end(), __pred),
59 __cont.end());
60 }
61
62 template<typename _CharT, typename _Traits, typename _Alloc, typename _Up>
63 inline void
64 erase(basic_string<_CharT, _Traits, _Alloc>& __cont, const _Up& __value)
65 {
66 __cont.erase(std::remove(__cont.begin(), __cont.end(), __value),
67 __cont.end());
68 }
69
70#if _GLIBCXX_USE_CXX11_ABI
71 namespace pmr
72 {
73 // basic_string using polymorphic allocator in namespace pmr
74 template<typename _CharT, typename _Traits = char_traits<_CharT>>
75 using basic_string =
76 std::basic_string<_CharT, _Traits, polymorphic_allocator<_CharT>>;
77
78 // basic_string typedef names using polymorphic allocator in namespace
79 // std::experimental::pmr
80 typedef basic_string<char> string;
81#ifdef _GLIBCXX_USE_CHAR8_T
82 typedef basic_string<char8_t> u8string;
83#endif
84 typedef basic_string<char16_t> u16string;
85 typedef basic_string<char32_t> u32string;
86 typedef basic_string<wchar_t> wstring;
87
88 } // namespace pmr
89#endif
90} // namespace fundamentals_v2
91} // namespace experimental
92
93_GLIBCXX_END_NAMESPACE_VERSION
94} // namespace std
95
96#endif // C++14
97
98#endif // _GLIBCXX_EXPERIMENTAL_STRING
requires_hosted.h
std
ISO C++ entities toplevel namespace is std.
std::experimental
Namespace for features defined in ISO Technical Specifications.
algorithm
memory_resource
string