Re: Features you would like to see

[Romulo Bahiense <romulo@...>]

PA wrote:
> On Aug 21, 2007, at 18:05, Mark Hamburg wrote:
>
> > What I'd like to see is support for something like:
> >
> >     t.foo?.baz
>
> What about:
>
> debug.setmetatable( nil, { __index = function( self, aKey ) return nil 
> end } )
>
> print( t.foo.baz )
>
>  > nil

I don't think it quite "do the trick" because this would cause all nil's 
to be somewhat indexable (i.e. don't cause error). Mark proposed a way 
to declare that this (don't cause error, just return nil) was your 
intent for a particular situation.

--rb