libstdc++: sample_trie_access_traits.hpp Source File

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sample_trie_access_traits.hpp
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1// -*- C++ -*-
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3// Copyright (C) 2005-2026 Free Software Foundation, Inc.
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25// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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35
36/**
37 * @file trie_policy/sample_trie_access_traits.hpp
38 * Contains a sample probe policy.
39 */
40
41#ifndef PB_DS_SAMPLE_TRIE_E_ACCESS_TRAITS_HPP
42#define PB_DS_SAMPLE_TRIE_E_ACCESS_TRAITS_HPP
43
44namespace __gnu_pbds
45{
46 /// A sample trie element access traits.
47 struct sample_trie_access_traits
48 {
49 typedef std::size_t size_type;
50 typedef std::string key_type;
51
52 typedef typename rebind_traits<_Alloc, key_type>::const_reference
53 key_const_reference;
54 typedef std::string::const_iterator const_iterator;
55
56 /// Element type.
57 typedef char e_type;
58
59 enum
60 {
61 max_size = 4
62 };
63
64 /// Returns a const_iterator to the first element of r_key.
65 inline static const_iterator
66 begin(key_const_reference);
67
68 /// Returns a const_iterator to the after-last element of r_key.
69 inline static const_iterator
70 end(key_const_reference);
71
72 /// Maps an element to a position.
73 inline static size_type
74 e_pos(e_type);
75 };
76}
77#endif // #ifndef PB_DS_SAMPLE_TRIE_E_ACCESS_TRAITS_HPP
std::string
basic_string< char > string
A string of char.
Definition stringfwd.h:79
__gnu_pbds
GNU extensions for policy-based data structures for public use.
Definition assoc_container.hpp:52
__gnu_pbds::sample_trie_access_traits
A sample trie element access traits.
Definition sample_trie_access_traits.hpp:48
__gnu_pbds::sample_trie_access_traits::e_pos
static size_type e_pos(e_type)
Maps an element to a position.
__gnu_pbds::sample_trie_access_traits::end
static const_iterator end(key_const_reference)
Returns a const_iterator to the after-last element of r_key.
__gnu_pbds::sample_trie_access_traits::e_type
char e_type
Element type.
Definition sample_trie_access_traits.hpp:57
__gnu_pbds::sample_trie_access_traits::begin
static const_iterator begin(key_const_reference)
Returns a const_iterator to the first element of r_key.