recursion - Non tail-recursive anonymous functions in Clojure -

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how create recursive anonymous function in clojure not tail recursive?

the following doesn't work, recur tail recursive functions. i'm reluctant drag in y-combinator..

((fn [n] (if (= 1 n) 1 (* n (recur (dec n))))) 5)

functions can given name refer specifying between fn , arglist:

user> ((fn ! [n] (if (= 1 n) 1 (* n (! (dec n))))) 5) 120

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