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define(['./_isIndex'], function(isIndex) {
  /** Used as a safe reference for `undefined` in pre-ES5 environments. */  var undefined;
  /**   * The base implementation of `_.nth` which doesn't coerce arguments.   *   * @private   * @param {Array} array The array to query.   * @param {number} n The index of the element to return.   * @returns {*} Returns the nth element of `array`.   */  function baseNth(array, n) {    var length = array.length;    if (!length) {      return;    }    n += n < 0 ? length : 0;    return isIndex(n, length) ? array[n] : undefined;  }
  return baseNth;});