libstdc++
sample_trie_access_traits.hpp
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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 
44 namespace __gnu_pbds
45 {
46  /// A sample trie element access traits.
48  {
49  typedef std::size_t size_type;
50  typedef std::string key_type;
51 
52  typedef typename _Alloc::template rebind<key_type> __rebind_k;
53  typedef typename __rebind_k::other::const_reference 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
A sample trie element access traits.
static const_iterator begin(key_const_reference)
Returns a const_iterator to the first element of r_key.
_GLIBCXX_END_NAMESPACE_CXX11 typedef basic_string< char > string
A string of char.
Definition: stringfwd.h:74
GNU extensions for policy-based data structures for public use.
static const_iterator end(key_const_reference)
Returns a const_iterator to the after-last element of r_key.
static size_type e_pos(e_type)
Maps an element to a position.