53 lines
2.3 KiB
C
53 lines
2.3 KiB
C
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// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of the Andrey N. Sabelnikov nor the
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// names of its contributors may be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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#ifndef _TO_NONCONST_ITERATOR_H_
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#define _TO_NONCONST_ITERATOR_H_
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namespace epee
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{
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template<class Type>
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typename Type::iterator to_nonsonst_iterator(Type& obj, typename Type::const_iterator it)
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{
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typename Type::difference_type dist = std::distance(static_cast<typename Type::const_iterator>(obj.begin()), it);
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typename Type::iterator res_it = obj.begin()+dist;
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return res_it;
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}
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template<class Type>
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typename Type::iterator to_nonsonst_iterator(typename Type::iterator base_it, typename Type::const_iterator it)
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{
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typename Type::difference_type dist = std::distance(static_cast<typename Type::const_iterator>(base_it), it);
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typename Type::iterator res_it = base_it+dist;
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return res_it;
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}
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}//namespace epee
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#endif //_TO_NONCONST_ITERATOR_H_
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