Method execute

lib/concurrent/index.js:119–127

()

  }

  execute() {
    const promises = new Array(this._concurrencyLevel);

    for (let i = 0; i < this._concurrencyLevel; i++) {
      promises[i] = this._executeOneAtATime(i, 0);
    }

    return Promise.all(promises).then(() => this._result);
  }

  _executeOneAtATime(initialIndex, iteration) {
    const index = initialIndex + this._concurrencyLevel * iteration;