You should still be able to use phantom types with empty traits or enums. Here's an article[0] (admittedly from ~6 months ago), about using phantom types in Ser

You should still be able to use phantom types with empty traits or enums. Here's an article[0] (admittedly from ~6 months ago), about using phantom types in Servo. [0] https://blog.mozilla.org/research/2014/06/23/static-checking-of-units-in-servo/ https://blog.mozilla.org/research/2014/06/23/static-checking...