Hello,
I've just started to play a little bit with clojure to get a feel for
the language. It seems to be quite interesting (and it's a relief to
leave my clumsy IDE behind and use Emacs). Concerning immutable data:
Is the following code ok or should (must) I use transients as
variables for the loop?
(defn count-words [words]
"Counts the occurrences of all words in the given string. Returns a
map with the words as keys, their frequency as values"
(loop [my-words (re-seq #"[a-zA-ZöäüÖÄÜß]+" words) word-map {}]
(if (empty? my-words)
word-map
(recur (rest my-words) (merge-with + word-map {(first my-words)
1})))))
Regards and thank's to all who gave (us|me) yet another reason to use
the JVM, Jan
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