Re: Filtering Iterator

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

2012/12/22 Kevin Martin <kev82@khn.org.uk>:

> I need an iterator wrapper/decorator I can use with for that allows
> me to skip values that don't match a specified predicate. I've done
> a bit of searching, but haven't been able to find one.

Is there a reason why the obvious Lua code is inefficient, obscure
or not applicable?

for k,v in iterator do if predicate(v) then
   -- code
end end