1  var baseSlice = require('./_baseSlice');
 2  
 3  /**
 4   * Casts `array` to a slice if it's needed.
 5   *
 6   * @private
 7   * @param {Array} array The array to inspect.
 8   * @param {number} start The start position.
 9   * @param {number} [end=array.length] The end position.
10   * @returns {Array} Returns the cast slice.
11   */
12  function castSlice(array, start, end) {
13    var length = array.length;
14    end = end === undefined ? length : end;
15    return (!start && end >= length) ? array : baseSlice(array, start, end);
16  }
17  
18  module.exports = castSlice;