Hi,
Thanks a lot for hints. "remove" was what I needed.
This
(filter (complement #(apply = %)) '([1 2] [1 1]))
also looks very clean now.
Regards,
Andy
On Thu, Aug 21, 2014 at 1:07 PM, Daniel Solano Gómez <cloj...@sattvik.com>
wrote:
> On Thu Aug 21 13:01 2014, Andy C wrote:
> > Hi,
> >
> >
> > I was wondering what is the nicest way to do filter-not in Clojure. Here
> > are 3 expressions:
> >
> > user=> (filter #(apply = %) '([1 2] [1 1]))
> > ([1 1])
> > user=> (filter #(apply not= %) '([1 2] [1 1]))
> > ([1 2])
> > user=> (filter #(not (apply = %)) '([1 2] [1 1]))
> > ([1 2])
> >
> >
> > First one is just a base filtering. Second is taking advantage of having
> > inverted predicate. Now let's assume that we have only a "positive"
> > predicate, hence we would have to invert it by hand. That leads me to 3rd
> > expression above.
> >
> > I was wondering though is it is possible to somehow get "not" closer to
> > "=", so the fact that we invert it is more obvious ...
> >
> > Is it possible to do that? Or perhaps there is an easier way to code it
> up
> > all together ?
>
> What about 'remove' instead of 'filter'?
>
> Sincerely,
>
> Daniel
>
> >
> > Thx,
> > Andy
> >
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