Why isn't my code printing like it should?

Question

I\'m trying to create a for in Clojure.

I\'m following the cheats sheet from the Clojure site.

e.g:

(take 100 (for [x (range 100000000) y (ra         


        

Answer 1

try adding doall in front: The for function creates a lazy sequence, as does take. They may not evaluate until you add a doall.

This little quirk is a common annoyance in Clojure, but makes sense once you get more comfortable with "thinking lazily".