sumtypes for D

[Dukc]

On Monday, 28 November 2022 at 09:39:37 UTC, Dukc wrote:
> If you don't know, I'd go with 3. Or maybe post a link to the 
> DIP draft you have published at Github so you can edit it. 
> Then, depending on how it goes, you can follow on with 1. or 4.

But let's wait for Mike's opinion first. I can't remember for 
sure whether there was a rule about language maintainer 
submitting a DIP.