Suppose I write
(defn foo [x]
(let [f (. Math log 0.5)]
(* f x)))
Does the Clojure compiler calculate the constant expression (. Math
log 0.5) once, or at every function call? Can I check this somehow,
i.e. look at the generated code, with reasonable effort? If it
doesn't optimize it, I'd have to write
(let [f (. Math log 0.5)]
(defn foo [x]
(* f x)))
which is fine as well for this minimal example, but less clear in
real-life code. I'd then rather write a small macro to evaluate the
constant expression, but before doing so I'd like to know if I really
have to.
Konrad.
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