On Sun, Jul 31, 2011 at 12:41 PM, Sunil S Nandihalli
<[email protected]> 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..
Oh, I wasn't suggesting putting the data in the exception. From the
sounds of it you have something like
(defn outer-loop [...]
(loop [x initial-value ...]
(recur (compute-new-x x ...) ...)))
(defn compute-new-x [x ...]
(...
(further-computational-steps y ...)
...))
(defn further-computational-steps ...)
...
(defn deeply-nested-loop [q z foo]
(loop [...]
...))
What I was suggesting was putting some quick thing in
deeply-nested-loop that will yield a timeslice and throw
InterruptedException if the thread's been interrupted, and in
outer-loop catch InterruptedException and handle it by returning the
current value of x:
(defn outer-loop [...]
(loop [x initial-value ...]
(let [[new-x ... interrupted?] (try
[(compute-new-x x ...) ... false]
(catch InterruptedException _ [nil nil nil ... true])]
(if interrupted? x (recur new-x ...)))))
--
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.
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