Re: Colors in alists

[Urs Liska]

Am 04.11.2014 15:47, schrieb Jay Anderson:
> On Tue, Nov 4, 2014 at 3:48 AM, Urs Liska <address@hidden> wrote:
> > I want to store colors in an alist like
> >
> > #(define types
> > '(("one" . "red")
> > ("two" . "blue")))
> >
> > I can retrieve and display the values with assoc-ref but I don't know how to
> > turn the returned string into a color to be used in an override.
> Try quasiquote + unquote:
>
> #(define types
>    `(("one" . ,red)
>      ("two" . ,blue)))
>
> #(display types) => ((one 1.0 0.0 0.0) (two 0.0 0.0 1.0))
>
> -----Jay

Hi Jay,

thanks, that was it. Still a mystery, this all ...

I would be extremely happy if someone could take the time and write a 
slow-paced tutorial about this on Scores of Beauty!

Best
Urs