Thanks Ben, for very useful informations!
2013年7月27日土曜日 13時31分41秒 UTC+9 Ben:
>
> if you want to use that fmap (or, I'd think, the fmaps provided by either
> morph or fluokitten) with uneven depths, you'd have to wrap them in a
> defrecord or deftype, I'd expect.
>
I see.
2013年7月27日土曜日 13時37分28秒 UTC+9 Ben:
>
> user=> (defmethod f/fmap Object [f v] (f v)) ;;; "Identity" functor
> #<MultiFn clojure.lang.MultiFn@5de33e>
> user=> (defmethod f/fmap clojure.lang.IPersistentMap [f v] (into {} (map
> (fn [[k v]] [k (f/fmap f v)]) v)))
> #<MultiFn clojure.lang.MultiFn@5de33e>
> user=> (f/fmap inc {:a {:y 1} :b {:x 2 :z {:c [1 2 3]}}})
> {:a {:y 2}, :b {:z {:c [2 3 4]}, :x 3}}
>
> But I wouldn't recommend it.
>
One way. It can be used, I think.
Thanks again.
Regards,
Y.Kohyama
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