 
     func dotsPrim() {
         for i in self.dataStack {
-            print("\(i.description()) ")
+            print("\(i) ")
         }
         self.next()
     }


import Foundation

enum Cell {
    case Thread(index: Int)
    case Primitive(num: Int)
    case Literal(value: Int)

    case Variable(address: Int)
    case Constant(value: Int)

    var description: String {
        switch self {
        case let .Thread(index):
            return "Thread(\(index))"
