cc_hash_table_map_/insert_no_store_hash_fn_imps.hpp
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// -*- C++ -*-
// Copyright (C) 2005-2019 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
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/**
* @file cc_hash_table_map_/insert_no_store_hash_fn_imps.hpp
* Contains implementations of cc_ht_map_'s insert related functions,
* when the hash value is not stored.
*/
PB_DS_CLASS_T_DEC
inline std::pair<typename PB_DS_CLASS_C_DEC::point_iterator, bool>
PB_DS_CLASS_C_DEC::
insert_imp(const_reference r_val, false_type)
{
PB_DS_ASSERT_VALID((*this))
key_const_reference r_key = PB_DS_V2F(r_val);
const size_type pos = ranged_hash_fn_base::operator()(r_key);
entry_pointer p_e = m_entries[pos];
resize_base::notify_insert_search_start();
while (p_e != 0 && !hash_eq_fn_base::operator()(PB_DS_V2F(p_e->m_value),
r_key))
{
resize_base::notify_insert_search_collision();
p_e = p_e->m_p_next;
}
resize_base::notify_insert_search_end();
if (p_e != 0)
{
PB_DS_CHECK_KEY_EXISTS(r_key)
return std::make_pair(&p_e->m_value, false);
}
PB_DS_CHECK_KEY_DOES_NOT_EXIST(r_key)
return std::make_pair(insert_new_imp(r_val, pos), true);
}
std::false_type
integral_constant< bool, false > false_type
The type used as a compile-time boolean with false value.
Definition: type_traits:78
std::make_pair
constexpr pair< typename __decay_and_strip< _T1 >::__type, typename __decay_and_strip< _T2 >::__type > make_pair(_T1 &&__x, _T2 &&__y)
A convenience wrapper for creating a pair from two objects.
Definition: stl_pair.h:524
std::pair
Struct holding two objects of arbitrary type.
Definition: stl_pair.h:210