From dbe8e61acc616b8f5ac07e8df89eb98a7997c29d Mon Sep 17 00:00:00 2001
From: bringert <bringert@cs.chalmers.se>
Date: Fri, 25 Nov 2005 16:36:19 +0000
Subject: Move transfer into the GF repo.

---
 transfer/examples/nat.tr | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 transfer/examples/nat.tr

(limited to 'transfer/examples/nat.tr')

diff --git a/transfer/examples/nat.tr b/transfer/examples/nat.tr
new file mode 100644
index 000000000..f67dc55ce
--- /dev/null
+++ b/transfer/examples/nat.tr
@@ -0,0 +1,23 @@
+data Nat : Type where { 
+	Zero : Nat ;
+  	Succ : (n:Nat) -> Nat ;
+ } ;
+
+plus : Nat -> Nat -> Nat ;
+plus Zero y = y ;
+plus (Succ x) y = Succ (plus x y) ;
+
+pred : Nat -> Nat ;
+pred Zero = Zero ;
+pred (Succ n) = n ;
+
+natToInt : Nat -> Int ;
+natToInt Zero = 0 ;
+natToInt (Succ n) = 1 + natToInt n ;
+
+plus : Nat -> Nat -> Nat ;
+plus Zero y = y ;
+plus (Succ x) y = Succ (plus x y) ;
+
+intToNat : Int -> Nat ;
+intToNat n = if n == 0 then Zero else Succ (intToNat (n-1)) ;
-- 
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