{"ast_node_type":"other","tokens":[{"end":44,"kind":"keyword","start":0,"text":"tables.closure_def(*def_id),"}]}
                tables.closure_def(*def_id),
            mir::AggregateKind::Closure(def_id, generic_arg) => crate::mir::AggregateKind::Closure(
                generic_arg.stable(tables, cx),