28 lines
671 B
C++
28 lines
671 B
C++
// SPDX-FileCopyrightText: 2015 Citra Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <cstddef>
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#include <utility>
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#include <boost/functional/hash.hpp>
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namespace Common {
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struct PairHash {
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template <class T1, class T2>
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std::size_t operator()(const std::pair<T1, T2>& pair) const noexcept {
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std::size_t seed = std::hash<T1>()(pair.first);
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boost::hash_combine(seed, std::hash<T2>()(pair.second));
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return seed;
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}
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};
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template <typename T>
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struct IdentityHash {
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[[nodiscard]] size_t operator()(T value) const noexcept {
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return static_cast<size_t>(value);
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}
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};
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} // namespace Common
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