1// <forward_list> -*- C++ -*-
2
3// Copyright (C) 2008-2024 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 include/forward_list
26 * This is a Standard C++ Library header.
27 */
28
29#ifndef _GLIBCXX_FORWARD_LIST
30#define _GLIBCXX_FORWARD_LIST 1
31
32#pragma GCC system_header
33
34#include <bits/requires_hosted.h> // containers
35
36#if __cplusplus < 201103L
37# include <bits/c++0x_warning.h>
38#else
39
40#include <bits/forward_list.h>
41#include <bits/range_access.h>
42#include <bits/forward_list.tcc>
43
44#ifdef _GLIBCXX_DEBUG
45# include <debug/forward_list>
46#endif
47
48#define __glibcxx_want_erase_if
49#define __glibcxx_want_incomplete_container_elements
50#define __glibcxx_want_list_remove_return_type
51#define __glibcxx_want_nonmember_container_access
52#include <bits/version.h>
53
54#if __cplusplus >= 201703L
55#include <bits/memory_resource.h>
56namespace std _GLIBCXX_VISIBILITY(default)
57{
58_GLIBCXX_BEGIN_NAMESPACE_VERSION
59 namespace pmr
60 {
61 template<typename _Tp>
62 using forward_list = std::forward_list<_Tp, polymorphic_allocator<_Tp>>;
63 } // namespace pmr
64_GLIBCXX_END_NAMESPACE_VERSION
65} // namespace std
66#endif // C++17
67
68#ifdef __cpp_lib_erase_if // C++ >= 20 && HOSTED
69namespace std _GLIBCXX_VISIBILITY(default)
70{
71_GLIBCXX_BEGIN_NAMESPACE_VERSION
72 template<typename _Tp, typename _Alloc, typename _Predicate>
73 inline typename forward_list<_Tp, _Alloc>::size_type
74 erase_if(forward_list<_Tp, _Alloc>& __cont, _Predicate __pred)
75 { return __cont.remove_if(__pred); }
76
77 template<typename _Tp, typename _Alloc, typename _Up>
78 inline typename forward_list<_Tp, _Alloc>::size_type
79 erase(forward_list<_Tp, _Alloc>& __cont, const _Up& __value)
80 {
81 using __elem_type = typename forward_list<_Tp, _Alloc>::value_type;
82 return std::erase_if(__cont, [&](__elem_type& __elem) {
83 return __elem == __value;
84 });
85 }
86_GLIBCXX_END_NAMESPACE_VERSION
87} // namespace std
88#endif // __cpp_lib_erase_if
89
90#endif // C++11
91
92#endif // _GLIBCXX_FORWARD_LIST
93