{"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"def_id.and_then(|def_id|"}]}
            def_id.and_then(|def_id| assoc_fn_of_type(tcx, def_id, Ident::from_str(fn_name)))
        .filter_map(|(def_id, fn_name)| {
        })