Ah, got it. Your last sentence is very well-put!
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Yes, definitely. Your version selects which form to evaluated once, at
compile time; the original selects a form every time the expansion is
evaluated.
user> (defn rand-num [] (rand-expr-mulit 1 2 3 4 5 6 7 8 9))
#'user/rand-num
user> (rand-num)
7
user> (rand-num)
7
user> (rand-num)
7
user> (rand-
Hi everyone,
I'm working my way through Practical Clojure's macro chapter, and I'd like
to check my understanding about one of the examples.
The book discusses writing a macro to randomly evaluate a form out of a list
of forms--essentially a cond that randomly selects which branch to evaluate.
