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MonoOpt: remove concatenation with empty string
author Adam Chlipala <adam@chlipala.net>
date Wed, 03 Dec 2014 21:21:37 -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