}
class circle {
var area = [radius]()
var cprint: Int {
return area.count
}
subscript(i: Int) - > radius {
get {
return area[i]
}
set {
area[i] = newValue
}
}
func circleprint() {
println("The number of rooms is (cprint)")
}
var rectarea: circumference?
}
class radius {
let radiusname: String
init(radiusname: String) { self.radiusname = radiusname }
}
class circumference {
var circumName: String?
var circumNumber: String?
var circumarea: String?
func buildingIdentifier() - > String? {
if circumName != nil {
return circumName