Why is D unpopular

[bauss]

On Monday, 13 June 2022 at 08:44:59 UTC, bauss wrote:
> On Monday, 13 June 2022 at 08:07:05 UTC, Mike Parker wrote:
>>
>> But why should that compile? You're trying to manipulate `_c` 
>> through an instance of `Bar`. It's not visible in any `Bar`, 
>> ever, so why should it be visible here? It has to be gotten at 
>> through the interface of `Foo`.
>
> Because I'm in the module of a, _c is a member if Foo, Foo is 
> in a.
>
> Thus _c should be accessible within a regardless of whether 
> it's public within the b module or not.

My argument for why it should work is that if you place the 
subclass within the same module then it works, so clearly it's 
just a matter of where the function was called, not where it 
resides.