needing to change the order of things at module level = compiler bug, right?

[DanielG]

On Thursday, 12 December 2019 at 06:23:31 UTC, Basile B. wrote:
> Still worth opening an issue.
>
> https://issues.dlang.org/show_bug.cgi?id=20443

Thanks, Basile. I've added additional information from the github 
thread where the sumtype author helpfully looked into the problem.