expandIndexed<T> method
Returns a single Iterable of all elements yielded from results of
transform
function being invoked on each element and its index in the
original collection.
Implementation
Iterable<T> expandIndexed<T>(
Iterable<T> Function(int index, E element) transform,
) =>
withIndex.expand((indexedValue) => transform(
indexedValue.index,
indexedValue.value,
));