sample_trie_access_traits.hpp
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// -*- C++ -*-
// Copyright (C) 2005-2021 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
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// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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/**
* @file trie_policy/sample_trie_access_traits.hpp
* Contains a sample probe policy.
*/
#ifndef PB_DS_SAMPLE_TRIE_E_ACCESS_TRAITS_HPP
#define PB_DS_SAMPLE_TRIE_E_ACCESS_TRAITS_HPP
namespace __gnu_pbds
{
/// A sample trie element access traits.
struct sample_trie_access_traits
{
typedef std::size_t size_type;
typedef std::string key_type;
typedef typename rebind_traits<_Alloc, key_type>::const_reference
key_const_reference;
typedef std::string::const_iterator const_iterator;
/// Element type.
typedef char e_type;
enum
{
max_size = 4
};
/// Returns a const_iterator to the first element of r_key.
inline static const_iterator
begin(key_const_reference);
/// Returns a const_iterator to the after-last element of r_key.
inline static const_iterator
end(key_const_reference);
/// Maps an element to a position.
inline static size_type
e_pos(e_type);
};
}
#endif // #ifndef PB_DS_SAMPLE_TRIE_E_ACCESS_TRAITS_HPP
__gnu_pbds
GNU extensions for policy-based data structures for public use.
Definition: assoc_container.hpp:52
std::basic_string< char >
__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.