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view tests/pvar.ur @ 1742:fca4a6d05ac1

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More diagnostic information about some type class resolution failures
author Adam Chlipala <adam@chlipala.net>
date Fri, 04 May 2012 10:33:04 -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>})