Exhaustive if blocks in Kotlin

exhaustive-if.kt

import kotlin.random.Random

val myInt = Random.nextInt()
val myBool = Random.nextBoolean()

// Expression - Exhaustive Required
val result = if (myInt == 1) {
    "I'm #1"
} else {
    "I'm something else"
}


// Statement - Exhaustive Not Required
if (myInt == 1) {
    print("I'm #1!")
}


// Exhaustive not Assumed
val nextResult = if (myBool == true) {
    "This is true"
} else if (myBool == false) {
    "This is false"
} else {
    // Required even if not possible
    "Invalid case"
}