<@U0H8PSS2J>: A functional version for you:
```
re...
# announcementsm
michaelrocks
04/13/2016, 1:36 PM@mpcjanssen: A functional version for you:
Copy code
return sets.firstOrNull()?.let {
sets.subList(1, sets.size).fold(HashSet(it)) { intersection, set ->
intersection.apply { retainAll(set) }
}
} ?: emptySet()3 Views