Redundant 'Unit'

fun redundantA(): Unit {
    return Unit // redundant, 'Unit' is returned by default and matches the expected return type
}

fun requiredA(condition: Boolean): Any {
    if (condition) return "hello"
    return Unit // explicit 'Unit' is required since the expected type is 'Any'
}

fun redundantB(condition: Boolean): Any = if (condition) {
    fun ancillary(): Int = 1
    println("${ancillary()}")
    Unit // redundant since the last expression is already of type 'Unit'
} else {
    println("else")
}

fun requiredB(condition: Boolean): Any = if (condition) {
    1024
    Unit // required, otherwise '1024' (Int) would be the return value
} else {
    println("else")
}