Re: [Chicken-users] Imlib2 question

[William Ramsay]

Once I spelled receive correctly it works like a champ.   Thanks.    I 
cannot
get over what a great language Scheme is and what a great system Chicken is.
Why would anyone use anything else?

Thanks again.    What I was missing in trying to use receive was that 
the results
must be handled inside the body of the procedure.

Bill

Graham Fawcett wrote:
> > On 9/24/07, William Ramsay <address@hidden> wrote:
> > That's the problem, I don't know what to use.    I've tried call-with-values
> > and receive, but both give me errors, mostly because I have no idea what
> > I'm doing.
> > The call to (imlib:pixel img x y) should return the  r, g, b, a  values
> > of the  pixel.   Just calling it produces r.   The others are there, but how do 
> >  I get them?
> >     
>
> I don't know imlib; but try:
> (receive (r g b a) (imlib:pixel img x y)
>   (print "r is " r)
>   (print "b is " b))
>
> Graham
>
>