Re: [Chicken-users] What does #!key mean?

[felix winkelmann]

On 9/25/05, Shawn Rutledge <address@hidden> wrote:
> That's cool!  They work out of order too!
>
> I was wanting to do something like that.  One reason people like XML
> is that you can have optional attributes and give them in any order.
> So then they try to use XML as a programming language and it's just
> not well suited to that.
>
> The "even number of args" requirement is a little odd though.  Another
> syntax for this kind of functionality would be
>
> (fn (i . 1) (j . 2))
>
> which seems more like typical scheme to me, and you don't need the
> special meaning for symbols that end with colon.
>

Another interesting idea is here:

http://www.bloodandcoffee.net/campbell/proposals/optional.text


cheers,
felix