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view demo/list.urs @ 397:4d519baf357c

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ListShop skeleton
author Adam Chlipala <adamc@hcoop.net>
date Tue, 21 Oct 2008 12:06:35 -0400
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datatype list t = Nil | Cons of t * list t

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

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