Why not simply do:
(defn fib [n]
(println "called with " n)
(if (> n 2)
(+ (fib (- n 2)) (fib (- n 1)))
1))
(def fib (memoize fib))
I inserted the println to verify when we were actually calling the
function, and I believe this works - fib only seems to get invoked a
single time for any given n. Is this solution incorrect in some way?
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