Using closure in function scope to make "real" private class members

[Dom Disc]

On Monday, 6 June 2022 at 04:34:23 UTC, forkit wrote:
> My argument is clear. It would be 'nice to have' 'an option' 
> for there to be a genuine private component of a class. Not 
> pseudo 'private', but genuine @private.

I would be ok with this, if it comes WITHOUT friends. Else it 
would destroy encapsulation like it does in C++.
And friends wouldn't be necessary, as we have the real D 
encapsulation as fallback, so why not. It's useless, but if you 
want it this urgently...