{"ast_node_type":"other","tokens":[{"end":30,"kind":"keyword","start":0,"text":"tcx.mk_args_from_iter("}]}
        tcx.mk_args_from_iter(
        let tcx = decoder.interner();
            (0..len).map::<ty::GenericArg<'tcx>, _>(|_| Decodable::decode(decoder)),