Method push

lib/internal/streams/iter/ringbuffer.js:35–41

* Append an item to the tail. O(1) amortized.

(item)

   * Append an item to the tail. O(1) amortized.
   */
  push(item) {
    if (this.#size > this.#mask) {
      this.#grow();
    }
    this.#backing[(this.#head + this.#size) & this.#mask] = item;
    this.#size++;
  }

  /**
   * Prepend an item to the head. O(1) amortized.