import Foundation

class Object {

}

enum Container {

	case containing(Object)
	indirect case containingIndirectly(Object)
}

let containerA = Container.containing(Object())
let containerB = Container.containingIndirectly(Object())

let (a1, b1) = (containerA, containerB)
let (a2, b2) = (containerA, containerB)
let (a3, b3) = (containerA, containerB)
let (a4, b4) = (containerA, containerB)
let (a5, b5) = (containerA, containerB)


guard case let (.containing(a), .containingIndirectly(b)) = (containerA, containerB) else {

	fatalError()
}

CFGetRetainCount(a as CFTypeRef)		// 8
CFGetRetainCount(b as CFTypeRef)		// 3