[Chicken-users] Re: imlib2 and define/clone

[Peter Bex]

On Tue, Feb 20, 2007 at 07:26:08PM -0500, Graham Fawcett wrote:
> Hi Peter,
> 
> The (define/clone) syntax in imlib2 isn't quite right: it never
> returns a copy of the cloned object. (So, for example, (imlib:blur
> my-image) returns an undefined value, instead of a blurred clone of
> my-image.
> 
> Maybe your destructive versions used to return a copy of the image?
> I don't use syntax-rules much, but I think this is right:
> 
> (define-syntax define/clone
>   (syntax-rules ()
>     ((define/clone ?name ?name!)
>      (define (?name img . args)
>        (let ((clone (imlib:clone img)))
>          (apply ?name! clone args)
>          clone)))))

That would be alright.  Thanks Graham, I've checked this into svn.
Expect a new version up on the eggs page in a while.

Regards,
Peter
-- 
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