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var arrayPush = require('./_arrayPush'),    baseFlatten = require('./_baseFlatten'),    copyArray = require('./_copyArray'),    isArray = require('./isArray');
/** * Creates a new array concatenating `array` with any additional arrays * and/or values. * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {Array} array The array to concatenate. * @param {...*} [values] The values to concatenate. * @returns {Array} Returns the new concatenated array. * @example * * var array = [1]; * var other = _.concat(array, 2, [3], [[4]]); * * console.log(other); * // => [1, 2, 3, [4]] * * console.log(array); * // => [1] */function concat() {  var length = arguments.length;  if (!length) {    return [];  }  var args = Array(length - 1),      array = arguments[0],      index = length;
  while (index--) {    args[index - 1] = arguments[index];  }  return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));}
module.exports = concat;