Re: When does __index metamethod get called?

[Chris <coderight@...>]

On 3/16/06, D Burgess <dburgess@gmail.com> wrote:

One could argue that it is better than perfect because you
can define your own interface.
e.g.

>  p = {1,2,3,4,5}
>  t={};t=setmetatable(t, {__index=function(t,k) return p[k] end})
>  t.next=function (t,v) return function(t,v) return next(p,v) end end
>  for k,v in t:next() do print(k,v) end
1       1
2       2
3       3
4       4
5       5

pairs() doesn't work though.  That's typically how I iterate anyway.

-- 
// Chris