1/1: Building Test (Test.idr)
Main> data Main.Even : Nat -> Type
  Totality: total
  Visibility: private
  Constructors:
    Z : Even 0
    SE : Odd n -> Even (S n)
Main> data Main.Odd : Nat -> Type
  Totality: total
  Visibility: private
  Constructor: SO : Even n -> Odd (S n)
Main> 
Bye for now!