Re: metatable, __index & forwardInvocation?

[Rici Lake <lua@...>]

The table lookup happens first, so the __index metamethod needs to 
return a function. That function will then be called with the 
"original" (and only) arguments.


On 5-Feb-05, at 11:25 AM, PA wrote:

> Hello,
>
> I would like to be able to "forward invocations" when an object 
> doesn't implement a given method.
>
> My objects are defined as tables of functions, which are usually 
> invoked like this:
>
> anObject.doIt( true )
>
> 'anObject' being a table. 'doIt' a function. And 'true' a parameter.
>
> If the 'anObject' table doesn't have a 'doIt' key, I can most likely 
> catch this with metatable __index... but... how do I get the original 
> parameters so I can build an alternative invocation to dispatch 
> somewhere else?
>
> TIA!
>
> Cheers
>
> --
> PA, Onnay Equitursay
> http://alt.textdrive.com/