1// <forward_list> -*- C++ -*-
3// Copyright (C) 2008-2024 Free Software Foundation, Inc.
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)
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.
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.
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/>.
25/** @file include/forward_list
26 * This is a Standard C++ Library header.
29#ifndef _GLIBCXX_FORWARD_LIST
30#define _GLIBCXX_FORWARD_LIST 1
32#pragma GCC system_header
34#include <bits/requires_hosted.h> // containers
36#if __cplusplus < 201103L
37# include <bits/c++0x_warning.h>
40#include <bits/forward_list.h>
41#include <bits/range_access.h>
42#include <bits/forward_list.tcc>
45# include <debug/forward_list>
48#define __glibcxx_want_allocator_traits_is_always_equal
49#define __glibcxx_want_erase_if
50#define __glibcxx_want_incomplete_container_elements
51#define __glibcxx_want_list_remove_return_type
52#define __glibcxx_want_nonmember_container_access
53#include <bits/version.h>
55#if __cplusplus >= 201703L
56#include <bits/memory_resource.h>
57namespace std _GLIBCXX_VISIBILITY(default)
59_GLIBCXX_BEGIN_NAMESPACE_VERSION
62 template<typename _Tp>
63 using forward_list = std::forward_list<_Tp, polymorphic_allocator<_Tp>>;
65_GLIBCXX_END_NAMESPACE_VERSION
69#ifdef __cpp_lib_erase_if // C++ >= 20 && HOSTED
70namespace std _GLIBCXX_VISIBILITY(default)
72_GLIBCXX_BEGIN_NAMESPACE_VERSION
73 template<typename _Tp, typename _Alloc, typename _Predicate>
74 inline typename forward_list<_Tp, _Alloc>::size_type
75 erase_if(forward_list<_Tp, _Alloc>& __cont, _Predicate __pred)
76 { return __cont.remove_if(__pred); }
78 template<typename _Tp, typename _Alloc, typename _Up>
79 inline typename forward_list<_Tp, _Alloc>::size_type
80 erase(forward_list<_Tp, _Alloc>& __cont, const _Up& __value)
82 // _GLIBCXX_RESOLVE_LIB_DEFECTS
83 // 4135. helper lambda of std::erase for list should specify return type
84 return std::erase_if(__cont, [&](const auto& __elem) -> bool {
85 return __elem == __value;
88_GLIBCXX_END_NAMESPACE_VERSION
90#endif // __cpp_lib_erase_if
94#endif // _GLIBCXX_FORWARD_LIST