1 files changed, 9 insertions, 3 deletions
diff --git a/src/common/hash.h b/src/common/hash.h
index 298930702..e8fe78b07 100644
--- a/src/common/hash.h
+++ b/src/common/hash.h
@@ -1,6 +1,5 @@
-// Copyright 2015 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: 2015 Citra Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
@@ -19,4 +18,11 @@ struct PairHash {
     }
 };
 
+template <typename T>
+struct IdentityHash {
+    [[nodiscard]] size_t operator()(T value) const noexcept {
+        return static_cast<size_t>(value);
+    }
+};
+
 } // namespace Common