Source/WTF/wtf/RobinHoodHashSet.h

/*
 * Copyright (C) 2021 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *     documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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#pragma once

#include <wtf/HashSet.h>
#include <wtf/RobinHoodHashTable.h>

namespace WTF {

// 95% load-factor.
template<typename ValueArg, typename HashArg = DefaultHash<ValueArg>, typename TraitsArg = HashTraits<ValueArg>>
using MemoryCompactLookupOnlyRobinHoodHashSet = HashSet<ValueArg, HashArg, TraitsArg, MemoryCompactLookupOnlyRobinHoodHashTableTraits>;

// 90% load-factor.
template<typename ValueArg, typename HashArg = DefaultHash<ValueArg>, typename TraitsArg = HashTraits<ValueArg>>
using MemoryCompactRobinHoodHashSet = HashSet<ValueArg, HashArg, TraitsArg, MemoryCompactRobinHoodHashTableTraits>;

// 75% load-factor.
template<typename ValueArg, typename HashArg = DefaultHash<ValueArg>, typename TraitsArg = HashTraits<ValueArg>>
using FastRobinHoodHashSet = HashSet<ValueArg, HashArg, TraitsArg, FastRobinHoodHashTableTraits>;

} // namespace WTF

using WTF::MemoryCompactLookupOnlyRobinHoodHashSet;
using WTF::MemoryCompactRobinHoodHashSet;
using WTF::FastRobinHoodHashSet;