copy.swift

import Foundation

func copy<T: AnyObject>(obj: T) -> T {
  let ptr = UnsafeMutablePointer<T>.alloc(1)
  ptr.initialize(obj)
  return ptr.memory
}

class C: NonObjectiveCBase {
  deinit {
    print("deinit")
  }
}


func main() {
  var c = C()
//  let d = copy(c)
  
  print(isUniquelyReferenced(&c))  
}

main()