annotate demo/list.urs @ 723:311ca1ae715d

Simplify type class requirement for tree demo
author Adam Chlipala <adamc@hcoop.net>
date Mon, 13 Apr 2009 08:44:32 -0400
parents 4d519baf357c
children
rev   line source
adamc@397 1 datatype list t = Nil | Cons of t * list t
adamc@397 2
adamc@397 3 val length : t ::: Type -> list t -> int
adamc@397 4
adamc@397 5 val rev : t ::: Type -> list t -> list t