function last(array) {
      var length = array == null ? 0 : array.length;
      return length ? array[length - 1] : undefined;
    }
Gets the last element of `array`.

@static
@memberOf _
@since 0.1.0
@category Array
@param {Array} array The array to query.
@returns {*} Returns the last element of `array`.
@example

_.last([1, 2, 3]);
// => 3