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

[forkit]

On Saturday, 4 June 2022 at 00:41:24 UTC, forkit wrote:
>

I'd like it, if I had 'the option', to do something like this in 
D:

(where the attribute @sealed, results in static, compiler 
enforced, protection of the interface of that class, from any 
code outside of that class (i.e. code in the same module).

@sealed
@final
@orWhatever... it's irrelevant at this stage as to what the 
attribute could be called.


// --- some module file

@sealed class A
{

}


@sealed class B
{

}

// ------------