damien krotkine <dkrotk...@gmail.com> writes:
> I'm using this code to get a list of only the odd elements of an
> array. The resulting list must have the same order as the array.
>
> map { state $f; ($_) x (++$f%2) } @array;
If you want only to get some elements of a list is is much more obvious
to use grep instead of map:
grep { ++$f%2 } @array
Then use the magical flip-flop variable:
grep { $|-- } @array
And remove unneeded syntax
grep$|--,@array
//Makholm
