ref: 11f0b71e1df81a2764d6dc0de9903f9a6d6ef7a6
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) ;; }