Additionally to core.match there is also matchure [1] which comes with
a defn-match that can be used like this:

(defn-match choose
  ([_ 0] 1)
  ([0 _] 0)
  ([?n ?k] (+ (choose (dec n) (dec k)) (choose (dec n) k))))

This makes defining functions fairly close to what you're used from Haskell.

[1] https://github.com/dcolthorp/matchure

Christian


On Thu, Sep 29, 2011 at 12:03 PM, Michael Jaaka
<michael.ja...@googlemail.com> wrote:
> Hi!
>
> Is there any way to define function with pattern matching in function
> signature as it is in haskell?
>
> Bye!
>
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