Re: pairs(t, skey) and ipairs(t, skey)

[Tim Hill <drtimhill@...>]

On Oct 1, 2013, at 11:57 AM, Luiz Henrique de Figueiredo <lhf@tecgraf.puc-rio.br> wrote:

>> One of the incorrect assumptions I had was that ipairs(t) would
>> produce the same keys as 1..#t, but it's clearly not the case as 1..#t
>> may iterate over holes, but ipairs never does this (at least in Lua 5.1).
> 
> The bottom line is: don't use #t or ipairs if you have holes in your table.
> 

.. and I know I'll get shot down for saying it again, but I still feel the lack of an efficient way to determine if a table t is a sequence is a significant hole in the language/runtime.

--Tim