code: function getIndexOf(array, value, fromIndex) {
      var result = (result = lodash.indexOf) === indexOf ? basicIndexOf : result;
      return result;
    }
docs: Gets the appropriate "indexOf" function. If the `_.indexOf` method is
  customized, this method returns the custom method, otherwise it returns
  the `basicIndexOf` function.
  
  @private
  @returns {Function} Returns the "indexOf" function.