sumtypes for D

[Walter Bright]

On 11/28/2022 6:46 PM, rikki cattermole wrote:
> Seriously, 2-3 days an actual dmd compiler dev could probably get ModuleInfo 
> exportation on Windows working correctly and we could get shared library 
> support in D starting to actually be decent.

I looked at https://issues.dlang.org/show_bug.cgi?id=22367 in your list, and the 
solution appears to be straightforward. I outlined it in the issue. Anyone want 
to have a go at it?