Direct recursion detection possible?

[Cecil Ward]

On Thursday, 25 May 2023 at 08:03:24 UTC, Cecil Ward wrote:
> On Thursday, 25 May 2023 at 02:30:35 UTC, Steven Schveighoffer 
> wrote:
>> [...]
>
> Understood, quite so. Indeed that’s why I kept it to ‘direct’. 
> Is anyone up for helping me deal with that one limited case of 
> direct straight loops ?
>
> [...]

Our posts crossed, as I was updating mine, Timon.