duration = 12.ms
size = 12.b
pair = Pair(23, 11)

range = IntSeq(2, 5)
emailRegex = Regex(#"([\w\.]+)@([\w\.]+)"#)

intList = List(1, 2, 3)

l2 = List(4, 5, 6)

pair2 = Pair(intList, l2)

class Bird {
  name: String
  lifespan: Int
}

numbers = new Listing {
    new {
        name = "Pigeon"
        lifespan = 8
    }
    new {
      name = "Parrot"
      lifespan = 20
    }
    7
    false
}