gcc/libstdc++-v3/include/std/deque
Jonathan Wakely 45a8d80fec Define __cpp_lib_erase_if feature test macro
The C++2a draft specifies the value 201811L for this, but as an
extension we return the number of elements erased. This is expected to
be standardised, so the macro has the value 201900L until a proper value
is specified in the draft.

	* include/bits/erase_if.h: Define __cpp_lib_erase_if.
	* include/std/deque: Likewise.
	* include/std/forward_list: Likewise.
	* include/std/list: Likewise.
	* include/std/string: Likewise.
	* include/std/vector: Likewise.
	* include/std/version: Likewise.
	* testsuite/21_strings/basic_string/erasure.cc: Test macro.
	* testsuite/23_containers/deque/erasure.cc: Likewise.
	* testsuite/23_containers/forward_list/erasure.cc: Likewise.
	* testsuite/23_containers/list/erasure.cc: Likewise.
	* testsuite/23_containers/map/erasure.cc: Likewise.
	* testsuite/23_containers/set/erasure.cc: Likewise.
	* testsuite/23_containers/unordered_map/erasure.cc: Likewise.
	* testsuite/23_containers/unordered_set/erasure.cc: Likewise.
	* testsuite/23_containers/vector/erasure.cc: Likewise.

From-SVN: r267810
2019-01-10 13:49:31 +00:00

124 lines
3.9 KiB
C++

// <deque> -*- C++ -*-
// Copyright (C) 2001-2019 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) 1994
* Hewlett-Packard Company
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Hewlett-Packard Company makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*
* Copyright (c) 1997
* Silicon Graphics Computer Systems, Inc.
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Silicon Graphics makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*/
/** @file include/deque
* This is a Standard C++ Library header.
*/
#ifndef _GLIBCXX_DEQUE
#define _GLIBCXX_DEQUE 1
#pragma GCC system_header
#include <bits/stl_algobase.h>
#if __cplusplus > 201703L
# include <bits/stl_algo.h> // For remove and remove_if
#endif // C++20
#include <bits/allocator.h>
#include <bits/stl_construct.h>
#include <bits/stl_uninitialized.h>
#include <bits/stl_deque.h>
#include <bits/range_access.h>
#include <bits/deque.tcc>
#ifdef _GLIBCXX_DEBUG
# include <debug/deque>
#endif
#ifdef _GLIBCXX_PROFILE
# include <profile/deque>
#endif
#if __cplusplus >= 201703L
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
namespace pmr
{
template<typename _Tp> class polymorphic_allocator;
template<typename _Tp>
using deque = std::deque<_Tp, polymorphic_allocator<_Tp>>;
} // namespace pmr
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std
#endif // C++17
#if __cplusplus > 201703L
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
#define __cpp_lib_erase_if 201900L
template<typename _Tp, typename _Alloc, typename _Predicate>
inline typename deque<_Tp, _Alloc>::size_type
erase_if(deque<_Tp, _Alloc>& __cont, _Predicate __pred)
{
const auto __osz = __cont.size();
__cont.erase(std::remove_if(__cont.begin(), __cont.end(), __pred),
__cont.end());
return __osz - __cont.size();
}
template<typename _Tp, typename _Alloc, typename _Up>
inline typename deque<_Tp, _Alloc>::size_type
erase(deque<_Tp, _Alloc>& __cont, const _Up& __value)
{
const auto __osz = __cont.size();
__cont.erase(std::remove(__cont.begin(), __cont.end(), __value),
__cont.end());
return __osz - __cont.size();
}
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std
#endif // C++20
#endif /* _GLIBCXX_DEQUE */