First Commit

common/HashCombine.h

@@ -0,0 +1,14 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#pragma once
+
+#include <functional>
+#include <utility>
+
+template <typename T, typename... Rest>
+static inline void HashCombine(std::size_t& seed, const T& v, Rest&&... rest)
+{
+	seed ^= std::hash<T>{}(v) + 0x9e3779b9u + (seed << 6) + (seed >> 2);
+	(HashCombine(seed, std::forward<Rest>(rest)), ...);
+}