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server/util/unwrap.ts

@@ -0,0 +1,9 @@
+import type { Nullable } from "@util/Nullable";
+import { NotNullExpected } from "@util/NotNullExpected";
+
+export function unwrap<T>(result: Nullable<T>): T {
+    if (result === null || result === undefined) {
+        throw new NotNullExpected();
+    }
+    return result;
+}