{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"TyKind::Ref(mt,"}]}
            TyKind::Ref(mt, lt, _) => return self.coerce_ref(from_ty, to_ty, *mt, lt),
            TyKind::Raw(mt, _) => return self.coerce_ptr(from_ty, to_ty, *mt),
            _ => {}