Use 0N instead of 0.
On Mar 25, 2013 8:52 PM, "Ben Wolfson" <wolf...@gmail.com> wrote:

> On Mon, Mar 25, 2013 at 8:05 AM, Jim foo.bar <jimpil1...@gmail.com> wrote:
> >
> > Since Clojure prefers longs to ints and since I'm not using any type
> hints,
> > I don't understand why I get an integer overflow...
>
> In the traceback I get for this:
>
> (take 94 (lazy-seq (cons 0 (lazy-seq (cons 1 (map + fibs (rest fibs)))))))
> ArithmeticException integer overflow
> clojure.lang.Numbers.throwIntOverflow (Numbers.java:1388)
>
> the error occurs in     clojure.lang.Numbers$LongOps.add (Numbers.java:430)
>
> So the fact that it's called an *integer* overflow is deceptive.
>
> The 94th fibonacci number is greater than Long/MAX_VALUE, so it
> overflows. It is using longs.
>
> --
> Ben Wolfson
> "Human kind has used its intelligence to vary the flavour of drinks,
> which may be sweet, aromatic, fermented or spirit-based. ... Family
> and social life also offer numerous other occasions to consume drinks
> for pleasure." [Larousse, "Drink" entry]
>
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