How to convert function output to Unit with Kotlin

Question

I have troubles with a function in Kotlin that should return Unit, but due to a usage of another function returning a Boolean, there is a type mismatch.

Here is a co

Answer 1

You could also do something like

fun foo(bar: Int): Unit = when(bar) {
    0 -> println("0")
    else -> printAndReturnTrue(bar).let{ Unit }
}