Sorry, didn't read your post properly. Maybe it's because the ints are
of different types.

(contains? [(int 1)] (long 1))
false

On Aug 2, 10:13 am, Oskar Kvist <oskar.kv...@gmail.com> wrote:
> "Returns true if _key_ is present in the given collection, otherwise
> returns false."
>
> For sets like #{200, 210} the values also count as keys.
>
> On Aug 2, 10:10 am, Petr Gladkikh <petrg...@gmail.com> wrote:
>
>
>
>
>
>
>
> > I spent hour already and can not understand what is wrong here.
>
> > I want to filter collection based on a nested field of collection
> > element having some value:
>
> > (println pinned-ids)
> > ; #{200, 210}
>
> > (println (contains? pinned-ids 200))
> > ; true
>
> > (println (map #(.. % :field :id) new-states))
> > ; (10 20 21 100 200 500 400 210) ; This collection contains both 200 and 210
>
> > However no test is true
> > (println (map #(contains? pinned-ids (.. % :field :id)) new-states))
> > ; (false false false false false false false false)
>
> > Why "contains?" return false for all elements despite that set
> > pinned-ids contains some of elements?
>
> > --
> > Petr Gladkikh

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