Re: proposal for change in for protocol

[Dirk Laurie <dirk.laurie@...>]

> Given the prevalence of "iterate over the values only" in many
> languages, it is a bit odd that Lua doesn't have it.
>
As always, Lua provides the soup and the spoon, but you have
to do your own feeding.

ivalues = function(tbl);
   local k=0
   return function() k=k+1; return tbl[k] end
end