ref: da885b02dd6178dd20ba7929b1d62aa07c0cfe8d dir: /test/matchbind.myr/
type u = union `Int int `Chr char `Nil ;; const main = { var v v = `Int 11 match v `Int 127: -> 42 ;; `Int x: -> x ;; `Chr 'a': -> 4 ;; `Nil: -> 6 ;; ;; }