chore: clippy

src/ty/internal/func.rs

@@ -60,7 +60,7 @@ impl Func {
                 for (formal, default) in formals {
                     let arg = arg
                         .select(formal.clone().into())
-                        .or_else(|| default.map(|thunk| Value::Thunk(thunk)))
+                        .or_else(|| default.map(Value::Thunk))
                         .unwrap();
                     new.insert_mut(formal.into(), arg);
                 }