Method indexOfCodePoint

src/Chain.js:279–281

* Returns the first index at which a given code point can be found * and -1 if not found. * @param {number} codePoint Unicode code point to search for * @param {number} [start] Index to start the search at * @return {number} Code point index; -1 if not found

(codePoint, start = undefined)

   * @return {number} Code point index; -1 if not found
   */
  indexOfCodePoint (codePoint, start = undefined) {
    return this.getCodePoints().indexOf(codePoint, start)
  }

  /**
   * Returns the first index at which a given string can be found