extended_iterator.h

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/** @file
 *  @author Bram de Greve (bram@cocamware.com)
 *  @author Tom De Muer (tom@cocamware.com)
 *
 *  *** BEGIN LICENSE INFORMATION ***
 *  
 *  The contents of this file are subject to the Common Public Attribution License 
 *  Version 1.0 (the "License"); you may not use this file except in compliance with 
 *  the License. You may obtain a copy of the License at 
 *  http://lass.sourceforge.net/cpal-license. The License is based on the 
 *  Mozilla Public License Version 1.1 but Sections 14 and 15 have been added to cover 
 *  use of software over a computer network and provide for limited attribution for 
 *  the Original Developer. In addition, Exhibit A has been modified to be consistent 
 *  with Exhibit B.
 *  
 *  Software distributed under the License is distributed on an "AS IS" basis, WITHOUT 
 *  WARRANTY OF ANY KIND, either express or implied. See the License for the specific 
 *  language governing rights and limitations under the License.
 *  
 *  The Original Code is LASS - Library of Assembled Shared Sources.
 *  
 *  The Initial Developer of the Original Code is Bram de Greve and Tom De Muer.
 *  The Original Developer is the Initial Developer.
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 *  Copyright (C) 2004-2011 the Initial Developer.
 *  All Rights Reserved.
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 *  GNU General Public License Version 2 or later (the GPL), in which case the 
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 */
 
#ifndef LASS_GUARDIAN_OF_INCLUSION_STDE_EXTENDED_ITERATOR_H
#define LASS_GUARDIAN_OF_INCLUSION_STDE_EXTENDED_ITERATOR_H
 
#if LASS_COMPILER_TYPE == LASS_COMPILER_TYPE_MSVC
#   pragma warning(push)
#   pragma warning(disable: 4244) // 'argument' : conversion from '__w64 int' to 'int', possible loss of data
#endif
 
namespace lass
{
namespace stde
{
 
template <typename Iter> Iter prev(Iter i) { --i; return i; }
template <typename Iter> Iter next(Iter i) { ++i; return i; }
template <typename Iter, typename Diff> Iter prev(Iter i, Diff d) { std::advance(i, -d); return i; }
template <typename Iter, typename Diff> Iter next(Iter i, Diff d) { std::advance(i, +d); return i; }
 
}
}
 
#if LASS_COMPILER_TYPE == LASS_COMPILER_TYPE_MSVC
#   pragma warning(pop)
#endif
 
#endif
 
// EOF