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Support empty datatypes, which can now be generated via 'variant []'
author Adam Chlipala <adam@chlipala.net>
date Thu, 09 Sep 2010 12:42:25 -0400
parents 5137b0537c92
children
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val v1 : variant [A = int, B = float] = make [#A] 1
val v2 : variant [A = int, B = float] = make [#B] 2.3

fun main () = return (match v1 {A = fn n => <xml>A: {[n]}</xml>,
                                B = fn n => <xml>B: {[n]}</xml>})