{"ast_node_type":"other","tokens":[{"end":41,"kind":"keyword","start":0,"text":".filter_map(|(def_id,"}]}
        .filter_map(|(def_id, fn_name)| {
    fns.into_iter()
            def_id.and_then(|def_id| assoc_fn_of_type(tcx, def_id, Ident::from_str(fn_name)))