expandIndexed<R> method
*<Null safety>*
Iterable<R> expandIndexed <R>(Iterable<R> expend(int index, T element))
Implementation
Iterable<R> expandIndexed<R>(
Iterable<R> Function(int index, T element) expend) sync* {
var index = 0;
for (var element in this) {
yield* expend(index++, element);
}
}