ref: b219309416b7f89e2ba6114bdf8f72f91e9f94b9
dir: /test/matchargunion.myr/
use std /* checks pattern matching on unions with arguments. exits with 42. */ type u = union `Int int `Chr char `Nil ;; const main = { var v v = `Int 123 match v | `Int 127: std.exit(42) | `Int 123: std.exit(69) | `Chr 'a': std.exit(4) | `Nil: std.exit(6) ;; }