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Another try at reasonable Especialize, this time with a custom traversal
author Adam Chlipala <adamc@hcoop.net>
date Sun, 20 Dec 2009 15:17:43 -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