view tests/recBad.ur @ 1640:dc986eb6113c

Order constructors properly in wildification, to avoid spuriously displeasing the new scoping check
author Adam Chlipala <adam@chlipala.net>
date Sun, 18 Dec 2011 12:00:36 -0500
parents 71bafe66dbe1
children
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datatype list a = Nil | Cons of a * list a

fun append (t ::: Type) (ls1 : list t) (ls2 : list t) : list t =
        case ls1 of
            Nil => ls2
          | Cons (h, t) => Cons (h, append t ls2)

(*val rec ones : list int = Cons (1, ones)*)
val rec ones = fn () => Cons (1, ones ())