Something like ``` val base = value / 10 * 10 base...

# getting-started

[Ruckus]

Something like

val base = value / 10 * 10
base..(base + 9)

You could put it in a function

infix fun Int.blockRange(size: Int): IntRange {
    require(this >= 0 && size > 1)
    val base = this / size * size
    return base..(base + size - 1)
}
...
val range = 4 blockRange 10