Re: Multiple return value in __index metamethod

[Lavergne Thomas <thomas.lavergne@...>]

On Tue, Jul 10, 2007 at 01:54:28PM -0500, Rici Lake wrote:
> 
> On 10-Jul-07, at 1:37 PM, Lavergne Thomas wrote:
> 
> >at start I have :
> >  value = object[idx]
> >it was simple and elegant. I've hopped for this :
> >  value, delta = object[idx]
> >but it's impossible.
> 
> Sure, but you could certainly implement it as:
> 
>   value, delta = object(idx)
> 
> Just give object a __call metamethod.
> 

Sorry to be so annoying and rejecting your suggestions, but the __call
metamethod is already used in theses objects. (and this also break
compatibility with existing code)

I've just doesn't realize it need so much changes to alow __index to
return multiple values. After looking at the lua code I've take away the
idea of a patch, it imply too much change, too much testing and overhead
just to satisfy my eyes when looking at some small parts of my code ;-)

I will stuck with a new method in my object, an __index shortcut and
try to forgot this dream...

Tom

-- 
Thomas Lavergne                       "Le vrai rêveur est celui qui rêve
                                       de l'impossible."  (Elsa Triolet)
thomas.lavergne@reveurs.org                           http://reveurs.org