a11

[clean-tests.git] / funcdeps / test.icl

diff --git a/funcdeps/test.icl b/funcdeps/test.icl
index 5a03545..f9ef764 100644 (file)
--- a/funcdeps/test.icl
+++ b/funcdeps/test.icl
@@ -3,16 +3,20 @@ module test
 import StdMisc
 
 :: Zero = Zero
-:: Succ a = Succ
-
+:: Succ a = Succ a
 :: Ar3 a b c :== (a -> b -> c)
 
-class C m :: (m b)
-
-instance C ((->) a) where C = \x->undef
+class succ a ~b :: a -> b
+instance succ Zero (Succ Zero) where succ Zero = Succ Zero
+instance succ a (Succ a) where succ a = Succ a
 
-Start :: (a -> b -> c)
-Start = t
+class plus a b | succ a b :: a b
+instance plus Zero a a
+where
+       plus a b = b
+instance plus (Succ a) b c | plus a (Succ b) c
+where
+       plus (Succ a) b = plus a (Succ b)
 
-t :: (Ar3 a b c)
-t = C
+Start :: Int
+Start = 42