view tests/recBad.ur @ 1582:dfb38a333816

Harmonize have/need terminology in error messages; display canceled record summaries on errors
author Adam Chlipala <adam@chlipala.net>
date Thu, 27 Oct 2011 08:36:31 -0400
parents 71bafe66dbe1
children
line wrap: on
line source
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 ())