{"ast_node_type":"variable","tokens":[{"end":90,"kind":"keyword","start":0,"text":"let"}]}
            let input_tys: Vec<_> = args.iter().map(|_| AbiParam::new(clif_ty)).collect();
        _ => {
            let ret_val = fx.lib_call(name, input_tys, vec![AbiParam::new(clif_ty)], &args)[0];