If you can't use the builtin `==` operator, you can throw away much of the builtin functionality. The runtime uses `==` in far too many places without ability t

If you can't use the builtin `==` operator, you can throw away much of the builtin functionality. The runtime uses `==` in far too many places without ability to provide your own comparator. You want to use your own types as keys in a `Map` or `WeakMap`? Yeah, not going to work.