ButterIterableUtil<E> extension
- on
-
- Iterable<
E>
- Iterable<
Methods
-
groupBy<
K> (K keyFunction(E)) → Map< K, List< E> > -
Available on Iterable<
Group by method for Lists. Example usage: List list.groupBy((a) => a.date);E> , provided by the ButterIterableUtil extension