On 21.04.2009, at 00:19, Michael Hunger wrote:
>
> Is it possible to use :while to shortcut a for macro when a certain
> number of yiels have happened?
>
> e.g. (for [x (range 1000) :when (= (rem x) 1) :while (number of
> yields <= 10)]
>
> so i want only the first 10 results.
you could:
(def zip (partial map vector))
and then use:
user> (for [[i x] (zip (iterate inc 0) (range 10 -10 -1))
:while (< i 5)]
x)
(10 9 8 7 6)
> Or should I just use (take 10 ) on the for ?
that's probably more readable and works just as well ;).
hth,
--Chris
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