Paul Mooser <taron...@gmail.com> writes:
Hi Paul,
> If you search for "filter" and "StackOverflowError" in this group, you
> will find people discussing related issues.
Thanks, I've found some explanation by Meikel Brandmeier who explains
the layering issue. But do we really have to live with that?
I mean, replacing the filter/remove with a list comprehension solved the
issue for me. And it's easy to define filter in terms of for.
--8<---------------cut here---------------start------------->8---
user> (defn philter [pred coll]
(for [x coll :when (pred x)] x))
#'user/philter
user> (filter even? (take 10 (iterate inc 0)))
(0 2 4 6 8)
user> (philter even? (take 10 (iterate inc 0)))
(0 2 4 6 8)
--8<---------------cut here---------------end--------------->8---
I've tried benchmarking filter vs. philter with seqs of different sizes,
and there seems to be no difference. So why not simply do it that way?
Bye,
Tassilo
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