Implement Interface Using Super
Meta
jared771 at gmail.com
Tue Jan 29 05:41:55 UTC 2019
On Monday, 28 January 2019 at 22:17:56 UTC, Steven Schveighoffer
wrote:
> On 1/28/19 3:28 PM, Jonathan Levi wrote:
>> On Sunday, 27 January 2019 at 09:31:46 UTC, bauss wrote:
>>> On Sunday, 27 January 2019 at 05:37:57 UTC, Jonathan Levi
>>> wrote:
>>>> This works in LDC *but not* DMD?
>>>> . . .
>>>> Is this a bug in DMD *or* in LDC?
>>>
>>> There is no bug here.
>>
>> So... LDC is the one that is bugged?
>
> Yeah, that's odd. It should be the same result, as they both
> have the same semantics for the front end.
>
> I'll defer to an LDC developer to answer that, but in truth, it
> really should be the way LDC implements it, even if that's not
> how the language spec is.
>
>> I think it would have been nice to have a way of explicitly
>> use the super method to implement an interface without having
>> to rewrite the whole signature. I thought I remember seeing a
>> way once, but I must have been dreaming.
>
> I agree.
>
> BTW, the typeof(super) requirement is super-annoying. alias x =
> super.x; is clear, I don't see why we need to specify
> typeof(super) in this context at least.
>
> -Steev
It's because aliases do not support context pointers, I'm pretty
sure.
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