How to call stop from parallel foreach

[Jerry]

On Thursday, 24 June 2021 at 18:23:01 UTC, seany wrote:
> I have seen 
> [this](https://forum.dlang.org/thread/akhbvvjgeaspmjntznyk@forum.dlang.org).
>
> I can't call break form parallel foreach.
>
> Okey, Is there a way to easily call .stop() from such a  case?
>
> Here is a case to consider:
>
>     outer: foreach(i, a; parallel(array_of_a)) {
>        foreach(j, b; parallel(array_of_b)) {
>          auto c = myFunction0(i,j);
>          auto d = myFunction1(a,b);
>          auto f = myFunction2(i,b);
>          auto g = myFunction3(a,j);
>
>          if(someConditionCheck(c,d,f,g)) {
>            // stop the outer foreach loop here
>          }
>
>        }
>     }
>
> Thank you

Maybe I'm wrong here, but I don't think there is any way to do 
that with parallel.
What I would do is negate someConditionCheck and instead only do 
work when there is work to be done.
Obviously that may or may not be suitable.
But with parallel I don't see any way to make it happen.