Extending D's support for object-oriented design with private(this)

[Kagamin]

On Friday, 26 April 2024 at 06:39:31 UTC, NotYouAgain wrote:
> In anticipation of this new question (what happens it you use 
> private(this) in global scope?
>
> I can answer this below (in code):
>
> module m;
> @safe:
>
> import std;
>
> private(this) int x; // Error: visibility attribute 
> `private(this)` cannot be used in global scope
>
> void main(){}

Conceptually module is a class, so its visibility design can 
follow nested class design.