ref: f6fadc8f08a0732f22ec6df34822f45e0f3a7f60
dir: /test/matchunion.myr/
/* checks that union matching works, at least on the key. exits with 84. */ type u = union `Foo `Bar `Baz `Quux ;; const main = { var v v = `Foo match v `Bar: -> 42 ;; `Baz: -> 81 ;; `Foo: -> 84 ;; `Quux: -> 123 ;; ;; }