Re: "or" question

[Ando Sonenblick <ando@...>]

Ah...  yes.  That must be why I did it because

> > 				result = (ObjectTables[SSGetUserDataObjectPtr(object)] or {})[key]

will most definitely pass back non nil values at times...

thx,
ando



Ando Sonenblick
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On Nov 11, 2004, at 3:19 PM, Tomas wrote:

> > 	__index = function(object, key)
> > 			local result = SpriteMethods[key] or
> > 				AnimationMethods[key]
> 	Variable result could be false?
>
> > 			if result == nil then
> > 				result = (ObjectTables[SSGetUserDataObjectPtr(object)] or {})[key]
> 	Again: result could be false?
>
> > 				if result == nil then
> > 					result = IdentityMethods[key] or
> > 						ObjectMethods[key] or
> > 						AdvanceableSpriteMethods[key]
> > 				end
> > 			end
> >
> > 			return result
> > 		end,
> 	If the variable `result' could receive a `false' value, you might not
> change the code.
>
> 	Tomas