scope_functions_run_vs_let.kt

val mountain = Mountain().apply {
    treeCount = randomBetween(2000, 3000)
    houseCount = randomBetween(5, 10)
    pendence = 20/100
    roadKind = RoadKind.DIRT
}

val leavesToHouseRatio: Float = mountain.run {
    val totalLeaves = treeCount * TREE_LEAVES_COUNT
    val houseSurface = houseList.map { 
        it.squareMeters
    }.sum()
    
    // Last statement
    if (houseCount > 0) {
        totalLeaves / houseSurface
    } else {
        0
    }
}

// We run functions but don't care about the result
mountain.run {
    printHousePosition()
    printTreesPosition()
    printStreetPath()
}