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On Jun 9, 2014, at 7:25 PM, Thiago L. <fakedme@gmail.com> wrote:

> Last I checked, `for x,y in ipairs(t) do` is slower than `for x=1,#t do local y = t[x]`, so why do we have ipairs()?
> 

One reason is that ipairs() is generic via the __ipairs() metamethod.

—Tim