Re: Alternative (better?) __index implementation

[Bradley Smith <gmane@...>]

> > That is very interesting. I modified Lua in the way you describe, and I get these 
> results.
> > Is these the same with what you are proposing?
>
> Exactly as. I don't know if you tested the scenario of :
>
> -- Index Class No Function Calls
> local proxy = setmetatable({greeting = "hi"}, {__index = function(tab) return rawget
> (tab, "greeting") end})
> local test = setmetatable({ }, {__index = proxy})
> print(test.greeting)
>
> -- Lua: hi
> -- Modified Lua: hi

I did test this. It is example 3 in my previous post. I don't get the 
results show above, but instead

-- Lua: hi
-- Modified Lua: nil

In the modified Lua, since the index function in proxy is passed the 
test table, how does it obtain the "hi" value for greeting which is in 
the proxy table?