annotate tests/mutual.ur @ 807:61a1f5c5ae2c

Mutual datatypes through Effectize
author Adam Chlipala <adamc@hcoop.net>
date Sat, 16 May 2009 15:45:12 -0400
parents e2780d2f4afc
children
rev   line source
adamc@805 1 datatype foo = A | B of bar
adamc@805 2 and bar = C | D of foo
adamc@807 3
adamc@807 4 val q = B (D A)
adamc@807 5
adamc@807 6 fun main () = return <xml>
adamc@807 7 {case q of
adamc@807 8 B (D A) => <xml>Good</xml>
adamc@807 9 | _ => <xml>Bad</xml>}
adamc@807 10 </xml>