On Mar 26, 2009, at 2:31 AM, Christophe Grand wrote:
> (def foo {:a 5 :b 7})
> (merge-with #(%2 %1) foo {:a inc :b #(+ 5 %)})
> ;; should return {:a 6 :b 12}
So then we can do this:
(defstruct programmer :name :language :iq)
(defn upgrade [programmer]
(merge-with #(%2 %1) programmer {:language (fn [_] "Clojure") :iq #
(+ 10 %)}))
(upgrade (struct programmer "Bob" "C++" 120)) => {:name
"Bob", :language "Clojure", :iq 130}
Aloha,
David Sletten
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