```
val list = listOf(1, 2, 3, 4, 5, 6)
val result...
# getting-startedm
menegatti
03/29/2017, 10:05 AM Copy code
val list = listOf(1, 2, 3, 4, 5, 6)
val result = list.mapIndexed { index, item -> Pair(item, list.getOrNull(index+1))}
\\ prints [(1, 2), (2, 3), (3, 4), (4, 5), (5, 6), (6, null)]