darling-WTF/wtf/IteratorRange.h
2017-08-12 09:27:19 -07:00

57 lines
2.0 KiB
C++

/*
* Copyright (C) 2013 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef WTF_IteratorRange_h
#define WTF_IteratorRange_h
namespace WTF {
template<typename Iterator>
class IteratorRange {
public:
IteratorRange(Iterator begin, Iterator end)
: m_begin(WTFMove(begin))
, m_end(WTFMove(end))
{
}
Iterator begin() const { return m_begin; }
Iterator end() const { return m_end; }
private:
Iterator m_begin;
Iterator m_end;
};
template<typename Iterator>
IteratorRange<Iterator> makeIteratorRange(Iterator&& begin, Iterator&& end)
{
return IteratorRange<Iterator>(std::forward<Iterator>(begin), std::forward<Iterator>(end));
}
} // namespace WTF
#endif // WTF_IteratorRange_h