toBooleanArray

Returns an array of Boolean containing all of the elements of this generic array.

fun Array<out Boolean>.toBooleanArray(): BooleanArray(source)

fun main() {
    val kotlinArray = arrayOf(true, false, true)
    val booleanArray: BooleanArray = kotlinArray.toBooleanArray()
    println(booleanArray.contentToString())  // prints: [true, false, true]
}

Source