Re: pairs() instead of ipairs() in Lua 5.2

[Javier Guerra Giraldez <javier@...>]

On Sat, May 22, 2010 at 8:13 PM, Luiz Henrique de Figueiredo
<lhf@tecgraf.puc-rio.br> wrote:
>> Take the behavior of ipairs(..) in Lua 5.1 and make it a special case
>> of pairs() in Lua 5.2. What is needed is simply that the language
>> guarantees that the iterator returned by pairs() will return the
>> values corresponding to the keys 1 and upwards in order. The order
>> before that, or the order of any keys after the first nil-valued
>> integer keys is arbitrary.
>
> This is messy to implement.

i think the current next() implementation first checks the array part
and then the hash table.  doesn't this have the same effect?  or maybe
the guarantees are subtly different and dangerous to rely on?



-- 
Javier