4:53
B lY>d
n-jpAS
hM _I|+a4('TmJq@[Jbѿ ? // Core algorithmic facilities -*- C++ -*-
// Copyright (C) 2001-2013 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
// .
/*
*
* 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) 1996-1998
* 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 bits/stl_algobase.h
* This is an internal header file, included by other library headers.
* Do not attempt to use it directly. @headername{algorithm}
*/
#ifndef _STL_ALGOBASE_H
#define _STL_ALGOBASE_H 1
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include // For std::swap and _GLIBCXX_MOVE
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
#if __cplusplus < 201103L
// See http://gcc.gnu.org/ml/libstdc++/2004-08/msg00167.html: in a
// nutshell, we are partially implementing the resolution of DR 187,
// when it's safe, i.e., the value_types are equal.
template
struct __iter_swap
{
template
static void
iter_swap(_ForwardIterator1 __a, _ForwardIterator2 __b)
{
typedef typename iterator_traits<_ForwardIterator1>::value_type
_ValueType1;
_ValueType1 __tmp = _GLIBCXX_MOVE(*__a);
*__a = _GLIBCXX_MOVE(*__b);
*__b = _GLIBCXX_MOVE(__tmp);
}
};
template<>
struct __iter_swap
{
template
static void
iter_swap(_ForwardIterator1 __a, _ForwardIterator2 __b)
{
swap(*__a, *__b);
}
};
#endif
/**
* @brief Swaps the contents of two iterators.
* @ingroup mutating_algorithms
* @param __a An iterator.
* @param __b Another iterator.