ref: d1ff1cf60286cc672d269eaeef62c1bd3134d408
dir: /test/matchunion.myr/
use std /* 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 ;; }