diff --git a/src/generic/arithmetic.ts b/src/generic/arithmetic.ts
index afe4aec..57bacad 100644
--- a/src/generic/arithmetic.ts
+++ b/src/generic/arithmetic.ts
@@ -20,3 +20,8 @@ console.log($contains!(searchItem, "erwin", "tj"));
 
 // OK, record the type of square:
 square.reflectedType = $$typeToString!<typeof square>();
+
+type Expand<T> = T extends unknown ? { [K in keyof T]: T[K] } : never;
+type Out = Expand<Dependencies<'multiply', number>>;
+
+console.log("Deps type is", $$typeToString!<Out>())