[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Scheme-reports] Some comments after reading the r7rs public draft



Aaron W. Hsu scripsit:

> I do not think we should use space to mention this issue, but
> implementations are obviously free to use threads to evaluate suitable
> delayed expressions if they follow the correct behavior, as Alex
> suggested.

Okay, I have backed out my changes.

> Thus, instead, I would prefer to clarify that a forced thunk should
> evaluate in a context equivalent to the dynamic context (including
> exception handlers and parameters) of the call to force which first
> requested the delayed expression's value.

This is more than a motherhood note: ticket #397 filed.

-- 
John Cowan  cowan@x  http://ccil.org/~cowan
In the sciences, we are now uniquely privileged to sit side by side
with the giants on whose shoulders we stand.
        --Gerald Holton

_______________________________________________
Scheme-reports mailing list
Scheme-reports@x
http://lists.scheme-reports.org/cgi-bin/mailman/listinfo/scheme-reports