If I write a def with a function call, such as:
(def x (+ 1 2))
and I use x a gazillion times in my code, does Clojure execute the function
("+" in this case) on each use?
Clearly, with (+ 1 2) it doesn't really matter, but if it is an expensive
function such as reading a file it is a big deal.
Tnx
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