Method indexOf

lib/internal/streams/iter/ringbuffer.js:100–107

* Find the logical index of `item` (reference equality). O(n). * Returns -1 if not found. * @returns {number}

(item)

   * @returns {number}
   */
  indexOf(item) {
    for (let i = 0; i < this.#size; i++) {
      if (this.#backing[(this.#head + i) & this.#mask] === item) {
        return i;
      }
    }
    return -1;
  }

  /**
   * Remove the item at logical `index`, shifting later elements. O(n) worst case.