Interface Iterable<T>

This interface is implemented by the List, Set, and Map classes; it provides the iterator read-only property that returns an Iterator.

Typical usage is:

var it = anIterableCollection.iterator;
while (it.next()) {
  var item = it.value;
}

Index

This read-only property is the number of elements in the collection.

Gets an Iterator that can iterate over the items in the collection.

Typical usage is:

 var it = anIterableCollection.iterator;
 while (it.next()) {
   var item = it.value;
 }

Returns the first item in the list, or null if there is none.
Returns T | null
This returns null if there are no items in the list.