Re: Calling overloaded original functions

[Till Harbaum / Lists <lists@...>]

So simple ...

Thanks, i obviously was just blind.

Till

Am Donnerstag 08 Mai 2008 schrieb Roberto Ierusalimschy:
> > i am trying to extend the tostring function to do something special
> > for my own special use tables. I found some example using the syntax
> > below:
> > 
> > function tostring(a)
> >    -- do something for special tables ...
> >    -- otherwise call original function:
> >    return %tostring(a)
> > end
> > 
> > But this gives me an error for the % character. Omiting the % results in an
> > endless loop for obvious reasons ...
> > 
> > How is this done?
> 
>   local oldtostring = tostring
>   function tostring(a)
>      -- do something for special tables ...
>      -- otherwise call original function:
>      return oldtostring(a)
>   end
> 
> 
> -- Roberto
>