text:   
  /**
   * Gets the first element of `array`.
   *
   * @since 0.1.0
   * @alias first
   * @category Array
   * @param {Array} array The array to query.
   * @returns {*} Returns the first element of `array`.
   * @see last
   * @example
   *
   * head([1, 2, 3])
   * // => 1
   *
   * head([])
   * // => undefined
   */
  function head(array) {
    return (array != null && array.length)
      ? array[0]
      : undefined
  }
  
  export default head