Method constructor

tfjs-data/src/util/ring_buffer.ts:36–45

* Constructs a `RingBuffer`. * @param capacity The number of items that the buffer can accomodate.

(public capacity: number)

   * @param capacity The number of items that the buffer can accomodate.
   */
  constructor(public capacity: number) {
    if (capacity == null) {
      throw new RangeError('Can\'t create a ring buffer of unknown capacity.');
    }
    if (capacity < 1) {
      throw new RangeError('Can\'t create ring buffer of capacity < 1.');
    }
    this.data = new Array<T>(capacity);
    this.doubledCapacity = 2 * capacity;
  }

  /**
   * Map any index into the range 0 <= index < 2*capacity.