{"ast_node_type":"other","tokens":[{"end":44,"kind":"keyword","start":0,"text":"tables.closure_def(*def_id),"}]}
                tables.closure_def(*def_id),
            ty::Closure(def_id, generic_args) => TyKind::RigidTy(RigidTy::Closure(
                generic_args.stable(tables, cx),