view demo/list.urs @ 711:7292bcb7c02d

Made type class system very general; demo compiles
author Adam Chlipala <adamc@hcoop.net>
date Thu, 09 Apr 2009 12:31:56 -0400
parents 4d519baf357c
children
line wrap: on
line source
datatype list t = Nil | Cons of t * list t

val length : t ::: Type -> list t -> int

val rev : t ::: Type -> list t -> list t