On Jun 11, 2009, at 9:25 AM, BerlinBrown wrote:
>
> I do this a lot but can't figure out to change the UPDATEABLE_VALUE, I
> am using some pseudo code because I don't have a clojure solution yet.
>
> SET UPDATEABLE_VALUE = 0
> (loop [line (.readLine reader)]
> (if (or (empty? line) (> line-num max-num))
> SET UPDATEABLE_VALUE = UPDATEABLE_VALUE + (SOME_FUNC)
> (recur (.readLine reader))))
In general it's going to be something like this:
(loop [line (.readLine reader) UPDATEABLE_VALUE 0]
(if (or (empty? line) (> line-num max-num))
(recur (.readLine reader) (+ UPDATEABLE_VALUE (SOME_FUNC)))))
Whenever you would have modified a local variable before, in FP you
establish a new binding instead.
—
Daniel Lyons
http://www.storytotell.org -- Tell It!
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