private vs protected in Interfaces

[Andrei Alexandrescu]

On 08/14/2010 01:20 AM, Jonathan M Davis wrote:
> On Friday 13 August 2010 23:14:02 Christian Kamm wrote:
>> Andrej Mitrovic wrote:
>>> TPDL, page 216: "Making an overridable function private in an
>>> interface..prevents an implementation from calling the super function".
>>>
>>> But the code example above compiles and runs fine.
>>
>> See http://d.puremagic.com/issues/show_bug.cgi?id=4542 .
>>
>> By the D spec, private implies final. That means unimplemented private
>> methods in interfaces have little use. Also 'private override' should be an
>> error.
>>
>> Or spec and compiler should be changed to be in line with TDPL.
>>
>> Christian
>
> Generally speaking, if the spec and TDPL are in conflict, TDPL is supposed to
> win. Still, until Walter says something about it or it's fixed, we won't know for
> sure. I really do think that TDPL should win out in this case though. It would
> not be good to be unable to do NVI.

I think TDPL should win in this case.

Andrei