{"ast_node_type":"other","tokens":[{"end":9,"kind":"keyword","start":0,"text":"{"}]}
        {
            if let Some(def_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id) =>
            Some((segment.ident.span, def_id, cx.typeck_results().node_args(expr.hir_id)))