That doseq is a no-op, because str has no side effects and doseq always
returns nil. Also there is no need to nest doseq calls. for is much like
doseq except it actually returns the result.
user> (for [lang (:langs langs)
k (keys lang)]
(str k " " (k lang)))
(":lang Clojure" ":version 1.6" ":lang Erlang" ":version 17")
On Monday, April 21, 2014 8:32:51 AM UTC-7, Hussein B. wrote:
>
> Hi,
>
> For a data structure such as:
>
> (def langs {:langs [ {:lang "Clojure" :version 1.6}
> {:lang "Erlang" :version 17} ] } )
>
> How to iterate all the items of the maps?
>
> I tried this but it is too imperative to me:
>
> (doseq [lang (:langs langs)
> (doseq [k (keys lang)]
> (str k " " (k lang))))
>
> Thanks for help and time.
>
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