diff options
Diffstat (limited to 'transfer/lib/nat.tra')
| -rw-r--r-- | transfer/lib/nat.tra | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/transfer/lib/nat.tra b/transfer/lib/nat.tra deleted file mode 100644 index b13a809ed..000000000 --- a/transfer/lib/nat.tra +++ /dev/null @@ -1,24 +0,0 @@ -import prelude - -data Nat : Type where - Zero : Nat - Succ : (n:Nat) -> Nat - -add_Nat : Add Nat -add_Nat = rec zero = Zero - plus = natPlus - -natPlus : Nat -> Nat -> Nat -natPlus Zero y = y -natPlus (Succ x) y = Succ (natPlus x y) - -pred : Nat -> Nat -pred Zero = Zero -pred (Succ n) = n - -natToInt : Nat -> Integer -natToInt Zero = 0 -natToInt (Succ n) = 1 + natToInt n - -intToNat : Integer -> Nat -intToNat n = if n == 0 then Zero else Succ (intToNat (n-1)) |