libstdc++
experimental/forward_list
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1 // <experimental/forward_list> -*- C++ -*-
2 
3 // Copyright (C) 2015-2025 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
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24 
25 /** @file experimental/forward_list
26  * This is a TS C++ Library header.
27  * @ingroup libfund-ts
28  */
29 
30 #ifndef _GLIBCXX_EXPERIMENTAL_FORWARD_LIST
31 #define _GLIBCXX_EXPERIMENTAL_FORWARD_LIST 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 <forward_list>
42 #include <experimental/memory_resource>
43 
44 namespace std _GLIBCXX_VISIBILITY(default)
45 {
46 _GLIBCXX_BEGIN_NAMESPACE_VERSION
47 
48 namespace experimental
49 {
50 inline namespace fundamentals_v2
51 {
52  template<typename _Tp, typename _Alloc, typename _Predicate>
53  inline void
54  erase_if(forward_list<_Tp, _Alloc>& __cont, _Predicate __pred)
55  { __cont.remove_if(__pred); }
56 
57  template<typename _Tp, typename _Alloc, typename _Up>
58  inline void
59  erase(forward_list<_Tp, _Alloc>& __cont, const _Up& __value)
60  {
61  using __elem_type = typename forward_list<_Tp, _Alloc>::value_type;
62  std::experimental::erase_if(__cont, [&](__elem_type& __elem) {
63  return __elem == __value;
64  });
65  }
66 
67  namespace pmr {
68  template<typename _Tp>
69  using forward_list = std::forward_list<_Tp, polymorphic_allocator<_Tp>>;
70  } // namespace pmr
71 
72 } // namespace fundamentals_v2
73 } // namespace experimental
74 
75 _GLIBCXX_END_NAMESPACE_VERSION
76 } // namespace std
77 
78 #endif // C++14
79 
80 #endif // _GLIBCXX_EXPERIMENTAL_FORWARD_LIST