@thi.ng/api/fn.js

Common, generic types, interfaces & mixins

/**
 * Identity function: `(x) => x`
 *
 * @param x
 */
export const identity = (x) => x;
/**
 * Zero-arg function always returning true.
 */
export const always = () => true;
/**
 * Zero-arg function always returning false.
 */
export const never = () => false;