how to make private class member private

[Nathan S.]

On Tuesday, 13 March 2018 at 22:56:31 UTC, Jonathan M Davis wrote:
> The downside is that it increases the number of symbols which 
> the program has to deal with when linking against a shared 
> library, which can have some negative effects.
>
> - Jonathan M Davis

If I understand correctly it's also responsible for TypeInfo 
being generated for private classes regardless of whether or not 
it is ever used.