:art: better decl args handling

diff --git a/ast b/ast
index e35b96c02f204f97f3806c668808f492a37777ee..fc67c20c24ce0c11dffa810261cc7ca35f979a43 160000 (submodule)
--- a/ast
+++ b/ast
@@ -1 +1 @@
-Subproject commit e35b96c02f204f97f3806c668808f492a37777ee
+Subproject commit fc67c20c24ce0c11dffa810261cc7ca35f979a43