gp_hash_table_map_/erase_store_hash_fn_imps.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
// 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 gp_hash_table_map_/erase_store_hash_fn_imps.hpp
* Contains implementations of gp_ht_map_'s erase related functions,
* when the hash value is stored.
*/
#ifdef PB_DS_CLASS_C_DEC
PB_DS_CLASS_T_DEC
inline bool
PB_DS_CLASS_C_DEC::
erase_imp(key_const_reference r_key, true_type)
{
const comp_hash pos_hash_pair = ranged_probe_fn_base::operator()(r_key);
size_type i;
resize_base::notify_erase_search_start();
for (i = 0; i < m_num_e; ++i)
{
const size_type pos = ranged_probe_fn_base::operator()(r_key, pos_hash_pair.second, i);
entry* const p_e = m_entries + pos;
switch(p_e->m_stat)
{
case empty_entry_status:
{
resize_base::notify_erase_search_end();
PB_DS_CHECK_KEY_DOES_NOT_EXIST(r_key)
return false;
}
break;
case valid_entry_status:
if (hash_eq_fn_base::operator()(PB_DS_V2F(p_e->m_value), p_e->m_hash,
r_key, pos_hash_pair.second))
{
resize_base::notify_erase_search_end();
erase_entry(p_e);
do_resize_if_needed_no_throw();
return true;
}
break;
case erased_entry_status:
break;
default:
_GLIBCXX_DEBUG_ASSERT(0);
};
resize_base::notify_erase_search_collision();
}
resize_base::notify_erase_search_end();
return false;
}
#endif
std::true_type
integral_constant< bool, true > true_type
The type used as a compile-time boolean with true value.
Definition: type_traits:83