/**
 * simple utils around functions, e.g. pipeline helpers
 *
 * @module
 */
export declare const identity: <T>(value: T) => T;
export declare const iife: <T>(fn: () => T) => T;
export declare const ignore: () => void;
export declare const failWith: (e: unknown) => never;
export declare const memoize: <Arg, T>(getKey: (value: Arg) => string, fn: (value: Arg) => T) => (arg: Arg) => T;