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var baseSlice = require('./_baseSlice'),
    isIterateeCall = require('./_isIterateeCall'),
    toInteger = require('./toInteger');

/**
 * 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`.
 */
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);
}

module.exports = slice;