There is an example in the book The Joy of Clojure on p.262 that uses
futures that I evaluated in the REPL.
user> (time
(let [x (future (do (Thread/sleep 2000)
(+ 1 1)))]
[@x @x]))
"Elapsed time: 2000.809 msecs"
[2 2]
I figured that taking out the future would cause the execution to take
twice as long, however, when I try this:
user> (time
(let [x (do (Thread/sleep 2000)
(+ 1 1))]
[x x]))
"Elapsed time: 2000.512 msecs"
[2 2]
as you see it takes about the same amount of time. Does this have something
to do with the REPL evaluating things or maybe the newer version of Clojure
handles things differently from the Joy of Clojure book?
Thanks
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