[racket] string->number failure value
Three hours ago, Neil Toronto wrote:
> On 08/16/2011 09:10 AM, Marijn wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > Hi Carl,
> >
> > On 08/16/11 15:45, Carl Eastlund wrote:
> >> Writing (or (string->number str) default) has the same effect, since
> >> #f never indicates a success. The same is not true of hash-ref,
> >> where #f can be a value in the hash table; that's why it needs an
> >> explicit default argument.
> > That is a good point, thanks.
>
> Not at all obvious, though. I'd submit a "bug report" for an example
> to be put in the docs.
You can also submit a patch...
--
((lambda (x) (x x)) (lambda (x) (x x))) Eli Barzilay:
http://barzilay.org/ Maze is Life!