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annotate tests/pvar.ur @ 1288:fc7ecf8883b1

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Some post-type-checking support for polymorphic variants
author Adam Chlipala <adam@chlipala.net>
date Sat, 21 Aug 2010 10:58:13 -0400
parents 5137b0537c92
children
rev   line source
adam@1287 1 val v1 : variant [A = int, B = float] = make [#A] 1
adam@1287 2 val v2 : variant [A = int, B = float] = make [#B] 2.3
adam@1287 3
adam@1287 4 fun main () = return (match v1 {A = fn n => <xml>A: {[n]}</xml>,
adam@1287 5 B = fn n => <xml>B: {[n]}</xml>})