Re: I miss table.foreach

[Andrew Starks <andrew.starks@...>]

On Wednesday, September 4, 2013, Tim Hill  wrote:
> On Sep 4, 2013, at 5:31 PM, Andrew Starks <andrew.starks@trms.com> wrote:
>
> > One would not like to be caught redesigning Lua on this list! :)
> >
> > if i did, then I'd say that it would be nice if "for" received a table after "in", it would look for the "__in" metamethod and call it with the table as the argument.
> >
> > It isn't a big deal though, wich is why I won't wish for it publicly
> >
> > :)
> >
> > -Andrew
>
> Another example of the somewhat incomplete use of metamethods in Lua at present. However, remember that for "for … in ..." statement really expects three arguments, not one (we are just used to all three being the return values of a generator function such as pairs()). Not saying it can't be done, though.
>
> --Tim

True. Also, my non-existent idea was kinda dumb in that "__next" is really the last missing iterator metamethod, not "__in".