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https://github.com/darlinghq/darling-WTF.git
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50 lines
1.9 KiB
C++
50 lines
1.9 KiB
C++
/*
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* Copyright (C) 2013, 2014 Apple Inc. 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
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* are met:
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* 1. 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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* 2. 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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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* 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
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef BagToHashMap_h
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#define BagToHashMap_h
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#include <wtf/Bag.h>
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#include <wtf/HashMap.h>
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namespace WTF {
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template<typename ElementType, typename KeyType, typename HashArg, typename KeyGetterFunctor>
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void toHashMap(Bag<ElementType>& bag, KeyGetterFunctor& getKey, HashMap<KeyType, ElementType*, HashArg>& result)
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{
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for (typename Bag<ElementType>::iterator iter = bag.begin(); !!iter; ++iter) {
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ElementType* element = *iter;
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KeyType key = getKey(*element);
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result.add(key, element);
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}
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}
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} // namespace WTF
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using WTF::toHashMap;
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#endif // BagToHashMap_h
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