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view demo/list.urs @ 1403:860c245a7c4d

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More detail on sources and signals
author Adam Chlipala <adam@chlipala.net>
date Tue, 18 Jan 2011 13:32:48 -0500
parents 4d519baf357c
children
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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