{"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"par_for_each_in(tcx.mir_keys(()),"}]}
    par_for_each_in(tcx.mir_keys(()), |&&def_id| {
    let reachable_set = tcx.reachable_set(());
        let (encode_const, encode_opt) = should_encode_mir(tcx, reachable_set, def_id);