```
arrayOf(1, 2, 3).mapNotNull { map[it]?.to(it) ...
# getting-startedk
kirillrakhman
07/06/2017, 1:55 PM Copy code
arrayOf(1, 2, 3).mapNotNull { map[it]?.to(it) }.map { plusOne(it) }2 Views
kirillrakhman
07/06/2017, 1:55 PMarrayOf(1, 2, 3).mapNotNull { map[it]?.to(it) }.map { plusOne(it) }