What does dual-context mean?

[wjoe]

On Tuesday, 1 March 2022 at 17:58:24 UTC, Paul Backus wrote:
> On Tuesday, 1 March 2022 at 14:51:47 UTC, wjoe wrote:
>> Hello,
>>
>> what's a dual context as in the deprecation message?
>
> It means you have a struct or class member function that 
> accesses its calling context via a template alias parameter.
>
> See this bug report for more information: 
> https://issues.dlang.org/show_bug.cgi?id=5710

That makes sense. Reading the bug report was really helpful.

Thanks.