http://github.com/jpalmucci/clj-return-from
On Jul 31, 12:41 pm, Sunil S Nandihalli <sunil.nandiha...@gmail.com> wrote: > Hi Ken, > thank you for your response. Do you think you can give me a quick example > of how to extend an Exception to be able to extract the value from the > exception when it is caught.. Should I be using gen-class for this? (seems > quiet messy to me)... do you have a better suggestion.. > > Thanks, > Sunil. > > > > > > > > On Sun, Jul 31, 2011 at 7:59 PM, Ken Wesson <kwess...@gmail.com> wrote: > > On Sun, Jul 31, 2011 at 10:25 AM, Sunil S Nandihalli > > <sunil.nandiha...@gmail.com> wrote: > > > Hello everybody, > > > I would like to have a long running process to return its current > > solution > > > after some pre-determined amount of time. It so happens that the > > iteration > > > is happening at a deeper nested function. I would like to have a way to > > > return from this nested function when its time ... How can I do this. > > > Currently I am considering using the > > > throw catch mechanism to do the job. Is there a better way of doing > > things > > > like this .. . I basically would like to have a non-local return .. > > > something like the common-lisps return-from .. I > > > found return-from equivalent in clojure.. I was hoping there is a nicer > > way > > > to deal with this when the function calls are quiet deeply nested.. > > > Probably the least messy way to deal with it is to sprinkle > > (Thread/sleep 0)s through the innermost loops of the algorithm, one in > > each, and the outermost loop that refines the in-progress result has a > > try ... catch for InterruptedException that handles it by returning > > the current approximation. Then have a separate threat that calls > > interrupt on the calculational thread on a timer, or if a user clicks > > a Cancel button on a progress dialog, or whatever. > > > This is more or less what InterruptedException is for; and breaking > > out of an algorithm in an unusual way is the kind of job for which > > exceptions are well suited, as well as returning from fairly deep up > > to a specific handler. > > > -- > > Protege: What is this seething mass of parentheses?! > > Master: Your father's Lisp REPL. This is the language of a true > > hacker. Not as clumsy or random as C++; a language for a more > > civilized age. > > > -- > > You received this message because you are subscribed to the Google > > Groups "Clojure" group. > > To post to this group, send email to clojure@googlegroups.com > > Note that posts from new members are moderated - please be patient with > > your first post. > > To unsubscribe from this group, send email to > > clojure+unsubscr...@googlegroups.com > > For more options, visit this group at > >http://groups.google.com/group/clojure?hl=en -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
