Kotlin Programming Cookbook

How to do it…

Kotlin provides a partition function. According to the documentation of the partition function it does the following:

Splits the original array into a pair of lists, where the first list contains elements for which predicate yielded true, while the second list contains elements for which predicate yielded false.

Let's understand it more clearly by going through this example:

1. In this example, we will create a list of numbers, and we want to split this list into two sublists: one having odd numbers and the other having even numbers:

fun main(args: Array<String>) {    val listA= listOf(1,2,3,4,5,6)    val pair=listA.partition {        it%2==0    }    println(pair)}

This is the output:

([2, 4, 6], [1, 3, 5])

2. As you can see in the preceding example, ...