1/1: Building Test (Test.idr)
Error: No unrestricted arguments of type `Integer` found for Main.natToMyNat.

Test:20:1--20:37
 16 | natToMyNat : Nat -> MyNat
 17 | natToMyNat Z = Z
 18 | natToMyNat (S k) = S $ natToMyNat k
 19 | 
 20 | %builtin IntegerToNatural natToMyNat
      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Error: Return type is not a 'Nat'-like type

Test:25:1--25:42
 21 | 
 22 | integerToNotNat : Integer -> Maybe String
 23 | integerToNotNat x = Just "Boo"
 24 | 
 25 | %builtin IntegerToNatural integerToNotNat
      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Main> Bye for now!