function slice(array, start, end) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {
        start = 0;
        end = length;
      }
      else {
        start = start == null ? 0 : toInteger(start);
        end = end === undefined ? length : toInteger(end);
      }
      return baseSlice(array, start, end);
    }
Creates a slice of `array` from `start` up to, but not including, `end`.

**Note:** This method is used instead of
[`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are
returned.

@static
@memberOf _
@since 3.0.0
@category Array
@param {Array} array The array to slice.
@param {number} [start=0] The start position.
@param {number} [end=array.length] The end position.
@returns {Array} Returns the slice of `array`.