Re: pair()-like iterator in C++

[Leandro Pelorosso <vertexar@...>]

I understand, i thinks that's what i'm going to do :)

Thank you very much!!

--- Rici Lake <lua@ricilake.net> wrote:

> Leandro Pelorosso wrote:
> > Indeed, but, don't you know what kind of undefined
> > behavior can i get?. (maybe something like iterate
> > elements that i already visit, or something like
> that)
> 
> Undefined is undefined. You could get repeat
> elements,
> you could miss elements, you could get an error.
> About
> all you can say is that it won't crash.
> 
> Your best bet is to add the new elements to another
> table and then merge them afterwards:
> 
> do
>   local newstuff = {}
>   for k, v in pairs(tab) do
>     -- whatever
>     if some_condition then
>       newstuff[newkey] = newval
>     end
>   end
> 
>   for k, v in pairs(newstuff) do
>     tab[k] = v
>   end
> end
> 
> 
> 


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