sample_trie_access_traits.hpp
Go to the documentation of this file.
// -*- C++ -*-
// Copyright (C) 2005-2023 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the terms
// of the GNU General Public License as published by the Free Software
// Foundation; either version 3, or (at your option) any later
// version.
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
// Permission to use, copy, modify, sell, and distribute this software
// is hereby granted without fee, provided that the above copyright
// notice appears in all copies, and that both that copyright notice
// and this permission notice appear in supporting documentation. None
// of the above authors, nor IBM Haifa Research Laboratories, make any
// representation about the suitability of this software for any
// purpose. It is provided "as is" without express or implied
// warranty.
/**
* @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
std::string
basic_string< char > string
A string of char.
Definition stringfwd.h:77
__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.