{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"pats.for_each(|pat|"}]}
        pats.for_each(|pat| self.walk_pat(pat));
        let guard = self.resolver.update_to_inner_scope(self.db, self.def, parent_expr);
        self.resolver.reset_to_guard(guard);