rust-lang/rfcs — pull request #514 by scialex (2014-12-10 20:54:17+00:00)
Title: Anonymous enum types (A|B) take 2

I really liked this idea and have tried to address some of the concerns with it.

[rendered](https://github.com/scialex/rfcs/blob/anonymous-enums-2/text/0000-anonymous-enums.md)