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diff lib/ur/option.urs @ 1544:a99b743a3087

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Basis.mkMonad
author Adam Chlipala <adam@chlipala.net>
date Fri, 19 Aug 2011 15:23:01 -0400
parents 757dbac0454d
children 36428d853c97
line wrap: on
line diff
--- a/lib/ur/option.urs	Fri Aug 19 14:20:24 2011 -0400
+++ b/lib/ur/option.urs	Fri Aug 19 15:23:01 2011 -0400
@@ -1,5 +1,7 @@
 datatype t = datatype Basis.option
 
+val monad : monad t
+
 val eq : a ::: Type -> eq a -> eq (t a)
 val ord : a ::: Type -> ord a -> ord (t a)