Method map

src/node/utils/Stream.ts:130–131

* Like Array.map(). * * @param {(v: any) => any} fn - Value transformation function. * @returns {Stream} A new Stream that yields this Stream's values, transformed by `fn`.

(fn:Function)

   * @returns {Stream} A new Stream that yields this Stream's values, transformed by `fn`.
   */
  map(fn:Function) { return new Stream((function* () { // @ts-ignore
    for (const v of this) yield fn(v); }).call(this)); }

  /**
   * Implements the JavaScript iterable protocol.