Consider the case where you want to remove only the last slot. In my
On Fri, Jan 14, 2011 at 12:07, Drake Wilson <firstname.lastname@example.org
> Quoth Romulo <email@example.com
>, on 2011-01-14 11:55:23 -0200:
>> I've submitted a variant of your code to LuaSnippets. My function
>> removes a element according to the predicated, instead of keeping it.
>> The function is optimized to avoid unnecessary table assignments by
>> finding contiguous slots "marked" as to-be-kept.
> That doesn't look like an optimization at all. As far as I know it's
> going to be N table assignments either way, with N being the length of
> the original list. The only 'optimization' one could do in that
> regard while preserving ordering would be to skip kept items at the
> very beginning, and I'd hardly consider that worth the complexity in