mixin template's alias parameter ... ignored ?

[someone]

On Sunday, 11 July 2021 at 13:14:23 UTC, Steven Schveighoffer 
wrote:

> when I've done this kind of stuff, what I usually do is:
>
> ```d
> struct Thing {
>   ... // actual struct
> }
>
> mixin("alias ", lstrStructureID, " = Thing;");
> ```
>
> the downside is that the actual struct name symbol will be 
> `Thing`, or whatever you called it. But at least you are not 
> writing lots of code using mixins.
>
> -Steve

Thanks for your tip Steve, I ended with something similar, I'll 
be posting my whole example below.