Appends all objects of iterable
to the end of this list.
Extends the length of the list by the number of objects in iterable
.
Throws an UnsupportedError
if this list is fixed-length.
Source
void addAll(Iterable<E> iterable) {
// TODO(jacobr): this can be optimized slightly.
callMethod('push', new List.from(iterable));
}