view tests/datatype.ur @ 584:101eb0058136

Used an option as a source
author Adam Chlipala <adamc@hcoop.net>
date Thu, 01 Jan 2009 10:49:42 -0500
parents f387d12193ba
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}

datatype term = App of term * term | Abs of term -> term