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