Method shift

tfjs-data/src/util/ring_buffer.ts:148–156

* Removes and returns the first item in the buffer.

()

   * Removes and returns the first item in the buffer.
   */
  shift(): T {
    if (this.isEmpty()) {
      throw new RangeError('Ring buffer is empty.');
    }
    const result = this.get(this.begin);
    this.set(this.begin, undefined);
    this.begin = this.wrap(this.begin + 1);
    return result;
  }

  /**
   * Removes and returns a specific item in the buffer, and moves the last item