fun test1(a: Boolean, b: Boolean): Boolean {
  return when {
    a -> b
    else -> false
  }
}

fun test1x(a: Boolean, b: Boolean): Boolean {
  return a.and(other = b)
}

fun test2(a: Boolean, b: Boolean): Boolean {
  return when {
    a -> true
    else -> b
  }
}

fun test2x(a: Boolean, b: Boolean): Boolean {
  return a.or(other = b)
}