Re: [Kawa-commonlisp-dev] [GSoC] Parameter protocols in CL

[Per Bothner]

On 07/25/2012 01:22 PM, Charles Turner wrote:
> On 25 July 2012 18:36, Charles Turner <address@hidden> wrote:
> > Afraid I still haven't made much progress on the keyword parameter
> > bug...
>
> I think I know what this is now. To recap
>
> (defun test (&key ((secret password) nil)) (list password))
>
> > (test 'secret 12)
> (nil)
>
> is the problem. The mistake is that searchForKeywords is
> (unsurprisingly) searching for a *keyword* not a symbol, which is,
> IIUC, what's required here. So since :secret != CL-USER::secret, it
> fails. It seems like LambdaExp#keywords needs to be generalised to
> Symbols, but that seems a tad drastic given that this is such an
> uncommon programming practice and I imagine it will break all kinds of
> things later on...

It seems at first glance it might be a small change,
mainly changing the type of the keywords array from Keyword[]
to Symbol[].  The searchForKeyword methods take Object[],
so they don't care.

I agree it's not worth spending much time on, but if you can
get it working easily, that might be worth it.
--
        --Per Bothner
address@hidden   http://per.bothner.com/