Difference in compiletime vs compiletime or compiler bug?

[Adam D. Ruppe]

On Friday, 27 December 2019 at 18:49:32 UTC, Sjoerd Nijboer wrote:
> Should concatenating the list and mixing that in work too?

yeah that'd work too. As long as all the overloads are coming 
from the same source, D allows it.

but if you add something manually in the struct then you have two 
sources again so this rule can bite back.