same with me, that is what I was going for, and what I have had to replace pmap with for the time being because of the lack of this exception functionality. So if no one else objects then I am going to make the refactoring which will be a major rev over the current api.
On Tue, Feb 8, 2011 at 8:19 PM, Jordan Wilberding <[email protected]> wrote: > I think we should emulate the behavior of regular map as much as possible. > JW > > On Tue, Feb 8, 2011 at 9:12 PM, Martin Logan <[email protected]> wrote: >> >> Guys, pmap needs to pass through exceptions. The implementation will >> be fairly straightforward, anyone against this? >> >> In the do_f function we have the line. I would change this line to >> something like >> >> >> Parent ! {self(), {error, ErrType, Error}} >> >> >> Parent ! {self(), {'$exception$', ErrType, Error}} >> >> This would be to sufficiently distinguish an exception from a passed >> back error. Right now we autoconvert exceptions into errors which does >> not look quite correct to me. There may be caveats to passing back the >> exception though and that is what I am asking you to think on. Anyhow, >> If this response above comes back into >> >> wait(Parent, Child, Timeout) -> >> receive >> {Child, Ret} -> >> Parent ! {self(), Ret} >> >> which would then be recognized there and passed back to Parent. When >> Parent receives an exception message it would rethrow it. Anyone >> wishing to collect all responses would need to catch exceptions at an >> application level. Exceptions would serve to short circuit the >> execution of any map functions in this way. >> >> Cheers, >> Martin >> >> >> >> -- >> Martin Logan >> Erlang & OTP in Action (Manning) http://manning.com/logan >> http://twitter.com/martinjlogan >> http://erlware.org >> >> -- >> You received this message because you are subscribed to the Google Groups >> "erlware-dev" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]. >> For more options, visit this group at >> http://groups.google.com/group/erlware-dev?hl=en. >> > > -- > You received this message because you are subscribed to the Google Groups > "erlware-dev" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/erlware-dev?hl=en. > -- Martin Logan Erlang & OTP in Action (Manning) http://manning.com/logan http://twitter.com/martinjlogan http://erlware.org -- You received this message because you are subscribed to the Google Groups "erlware-dev" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/erlware-dev?hl=en.
