view tests/datatype.lac @ 213:0343557355fc

Explifying type classes
author Adam Chlipala <adamc@hcoop.net>
date Sat, 16 Aug 2008 14:45:23 -0400
parents 34ccd7d2bea8
children
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datatype t = A | B

val a = A
val b = B

datatype foo = C of t

val c = C a

datatype list = Nil | Cons of {Head : int, Tail : list}

val nil = Nil
val l1 = Cons {Head = 0, Tail = nil}