I have two problems with the following code.
First, I have this `tos' business (to-string) because:
user=> (first "abc")
\a
user=> (rest "abc")
(\b \c)
Since I wanted to get strings out of strings, a character or a
collection is no good.
Second, I ended-up having to use a mutable atom `res' becaus
Posted too quickly ... replace "ana3" with "anagram". I cleaned-up the
code before posting, forgetting that the previous version "ana3" was
still in the REPL ... Oh well ...
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On Sun, Apr 18, 2010 at 9:20 PM, verec <
jeanfrancois.brouil...@googlemail.com> wrote:
> I have two problems with the following code.
> First, I have this `tos' business (to-string) because:
> user=> (first "abc")
> \a
> user=> (rest "abc")
> (\b \c)
> Since I wanted to get strings out of strings,
(use 'clojure.contrib.combinatorics
'clojure.contrib.str-utils)
(defn anagrams [xs]
(map #(str-join "" %) (distinct (permutations xs
Of course, the real meat is in the permutations function. The
implementation in the combinatorics library is a bit complicated.
Here's something simpler
