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

[Dom DiSc]

On Thursday, 25 April 2024 at 06:05:23 UTC, zjh wrote:
>
> This improvement has no `side effects` on the `d` language. I 
> really don't know why they `oppose` it?

Opposition was only because of "friend"s, which destroys 
encapsulation in an unpredictable manner. As long as no "friend" 
attribute is proposed, everything is fine. Already works without 
problems in OpenD.