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55 lines
2.4 KiB
C++
55 lines
2.4 KiB
C++
// Copyright (c) 2014, The Monero Project
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//
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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 modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Parts of this file are originally copyright (c) 2006-2013, Andrey N. Sabelnikov
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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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