Re: hpairs?

[Axel Kittenberger <axkibe@...>]

Try it with {1, 2, nil, nil, 5}.

will 5 turn up in the not ipairs part?

On Mon, Jan 3, 2011 at 12:00 AM, Emmanuel Oga <emmanueloga@gmail.com> wrote:
> I came up with this experiment involving __index and __newindex to
> segregate a table in its array part and non-array part:
>
> https://gist.github.com/762890
>
> Caveats:
>
> It requires an special constructor to create the table:
>
>  t = arrayTable{1, 2, a = 1}
>  t[1.5]=1.5
>
> It requires special iterators replacing both ipairs and pairs:
>
>  for k,v in at_ipairs(t) do print(k, v) end
>  for k,v in at_pairs(t) do print(k, v) end
>
> Alternatively you can use the indexes to the real table/array provided
> in the table
>
>  for k,v in ipairs(t.___array) do print(k, v) end
>  for k,v in pairs(t.___table) do print(k, v) end
>
> Which I believe is even more ugly than using the iterators above.
>
> I tried to override __len on the metatable but apparently that does
> not work in lua 5.1 (I read somewhere __len will be overridable for
> tables/strings in 5.2?)
>
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> EmmanuelOga.com - Software Developer
>
>