Enums with Inline Subclass

[Bastiaan Veelo]

On Wednesday, 13 November 2019 at 20:46:25 UTC, mark_mcs wrote:
> I spend most of my time in java land but try to sneak in some D 
> code whenever possible. One pattern that comes in handy is to 
> use Java enums as states in a finite state machine (good for 
> XML parsers).

You might be interested in 
https://code.dlang.org/packages/state-machine

Bastiaan.