gistfile1.txt

object Ref {

    var iPtr = 0
    var fPtr = 0
    var bPtr = 0

    val ints = IntArray(100)
    val floats = FloatArray(100)
    val bools = BooleanArray(100)

    var int
        get() = ints[iPtr]
        set(value) { ints[iPtr] = value }
}

inline fun withInt(block: (KMutableProperty0<Int>) -> Unit) {
    Ref.iPtr++
    block(Ref::int)
    Ref.iPtr--
}