fix: WIP

evaluator/nixjit_hir/src/downgrade.rs

@@ -316,13 +316,7 @@ impl<Ctx: DowngradeContext> Downgrade<Ctx> for ast::Lambda {
                 allowed = if ellipsis {
                     None
                 } else {
-                    Some(
-                        formals
-                            .into_iter()
-                            .filter(|(_, default)| default.is_some())
-                            .map(|(k, _)| k)
-                            .collect(),
-                    )
+                    Some(formals.into_iter().map(|(k, _)| k).collect())
                 };
             }
         }