230 function asyncEach(arr, dimen, iter, cb) {  argument
231   if (lib.isArray(arr)) {
232     var len = arr.length;
233     lib.asyncIter(arr, function iterCallback(item, i, next) {
250     lib.asyncFor(arr, function iterCallback(key, val, i, len, next) {
255 function asyncAll(arr, dimen, func, cb) {  argument
266   if (lib.isArray(arr)) {
267     len = arr.length;
272       for (var i = 0; i < arr.length; i++) {
273         var item = arr[i];
291     var keys = lib.keys(arr || {});
299         func(k, arr[k], _i, len, done);
304 function fromIterator(arr) {  argument
305   if (typeof arr !== 'object' || arr === null || lib.isArray(arr)) {
306     return arr;
307   } else if (supportsIterators && Symbol.iterator in arr) {
308     return arrayFrom(arr);
310     return arr;