ref: 6d2f54a54d3f8e58f1063374ef82d07f665f5562 dir: /test/matchunion.myr/
type u = union `Foo `Bar `Baz `Quux ;; const main = { var v v = `Foo match v `Bar: -> 42 ;; `Baz: -> 81 ;; `Foo: -> 84 ;; `Quux: -> 123 ;; ;; }