libstdc++: hash_load_check_resize_trigger_size_base.hpp Source File

libstdc++

hash_load_check_resize_trigger_size_base.hpp
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1// -*- C++ -*-
2
3// Copyright (C) 2005-2026 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 terms
7// of the GNU General Public License as published by the Free Software
8// Foundation; either version 3, or (at your option) any later
9// version.
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11// This library is distributed in the hope that it will be useful, but
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13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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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.
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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;
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25// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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28// is hereby granted without fee, provided that the above copyright
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30// and this permission notice appear in supporting documentation. None
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34// warranty.
35
36/**
37 * @file hash_load_check_resize_trigger_size_base.hpp
38 * Contains an base holding size for some resize policies.
39 */
40
41#ifndef PB_DS_HASH_LOAD_CHECK_RESIZE_TRIGGER_SIZE_BASE_HPP
42#define PB_DS_HASH_LOAD_CHECK_RESIZE_TRIGGER_SIZE_BASE_HPP
43
44namespace __gnu_pbds
45{
46 namespace detail
47 {
48 /// Primary template.
49 template<typename Size_Type, bool Hold_Size>
50 class hash_load_check_resize_trigger_size_base;
51
52 /// Specializations.
53 template<typename Size_Type>
54 class hash_load_check_resize_trigger_size_base<Size_Type, true>
55 {
56 protected:
57 typedef Size_Type size_type;
58
59 hash_load_check_resize_trigger_size_base(): m_size(0)
60 { }
61
62 inline void
63 swap(hash_load_check_resize_trigger_size_base& other)
64 { std::swap(m_size, other.m_size); }
65
66 inline void
67 set_size(size_type size)
68 { m_size = size; }
69
70 inline size_type
71 get_size() const
72 { return m_size; }
73
74 private:
75 size_type m_size;
76 };
77
78 template<typename Size_Type>
79 class hash_load_check_resize_trigger_size_base<Size_Type, false>
80 {
81 protected:
82 typedef Size_Type size_type;
83
84 protected:
85 inline void
86 swap(hash_load_check_resize_trigger_size_base& other) { }
87
88 inline void
89 set_size(size_type size) { }
90 };
91 } // namespace detail
92} // namespace __gnu_pbds
93
94#endif
__gnu_pbds
GNU extensions for policy-based data structures for public use.
Definition assoc_container.hpp:52
__gnu_pbds::detail::size_type
__gnu_pbds::detail::hash_load_check_resize_trigger_size_base
Primary template.
Definition hash_load_check_resize_trigger_size_base.hpp:50