Jay Fields <j...@jayfields.com> writes:
> For a list, it seems like converting the list to a vectoc (via vec)
> would be a reasonable solution, though I'm sure there's some side
> effect that I haven't considered. Perf would be impacted, but this
> doesn't seem like the kind of thing you'd want to do anyway, so having
> poor perf wouldn't be the end of the world. At least it wouldn't
> exception out.
IMHO, it would be bad if converting lists (and seqs?) to vectors would
be done under the hoods. There are high chances that you accidentally
pass a seq/list to `contains?` and then suffer from worse performance
without actually noticing. E.g. you do something like
(contains? (map fuddle blabla) 3) ;; has at least 4 items
where you actually wanted to do
(contains? (mapv fuddle blabla) 3) ;; has at least 4 items
Bye,
Tassilo
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