Re: length applied to vector -> crash

Dan <[email protected]> writes:

> Here's what happens when you apply (length) to a
> vector:
>
>   (define (vec-rev-for-each p v)
>     (define l (length v))
>     (do ((i (- l 1) (- i 1))) ((< i 0) #t)
>       (p i (vector-ref v i))))
>
> #;> (vec-rev-for-each '#(1 2 3) values)
> Exception in thread "Thread-2"
> java.lang.ArrayIndexOutOfBoundsException: 1
>
> [...]
>
> I couldn't simplify this any further without the bug
> going away.

Ouch. Well spotted! Please file a bug.

Btw, this has nothing to do with applying length to a vector. If you
replace the 'length' in your example with, say, 'car', the error still
happens.


Matthias.