ref: 58785aa9f3a6fc22a00e4cd0597fc3563dca6c76
dir: /test/matchbind.myr/
type u = union
	`Int int
	`Chr char
	`Nil
;;
const main = {
	var v
	v = `Int 11
	match v
	`Int 127:
		-> 42
		;;
	`Int x:
		-> x
		;;
	`Chr 'a':
		-> 4
		;;
	`Nil:
		-> 6
		;;
	;;
}