suyu/src/common/algorithm.h
Lioncash ac4dbd3b25 common: Rename binary_find.h to algorithm.h
Makes the header more general for other potential algorithms in the
future. While we're at it, include a missing <functional> include to
satisfy the use of std::less.
2019-10-15 15:24:50 -04:00

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// Copyright 2019 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <algorithm>
#include <functional>
namespace Common {
template <class ForwardIt, class T, class Compare = std::less<>>
ForwardIt BinaryFind(ForwardIt first, ForwardIt last, const T& value, Compare comp = {}) {
// Note: BOTH type T and the type after ForwardIt is dereferenced
// must be implicitly convertible to BOTH Type1 and Type2, used in Compare.
// This is stricter than lower_bound requirement (see above)
first = std::lower_bound(first, last, value, comp);
return first != last && !comp(value, *first) ? first : last;
}
} // namespace Common