Created
October 17, 2021 06:18
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| (ns otca.shorts) | |
| (defn wait-return [s r] | |
| (Thread/sleep (* s 1000)) | |
| r) | |
| #_(defn time-taken [expr] | |
| (let [start (. System (nanoTime)) | |
| result (expr) | |
| end (. System (nanoTime)) | |
| total-time (/ (double (- end start)) 100000.0)] | |
| (println "Took " total-time " to eval") | |
| result)) | |
| (defmacro time-taken [& expr] | |
| `(let [start# (. System (nanoTime)) | |
| result# (do | |
| ~@expr) | |
| end# (. System (nanoTime)) | |
| total-time# (/ (double (- end# start#)) 100000.0)] | |
| (println '~expr " took " total-time# " to eval") | |
| result#)) | |
| (comment | |
| (def var1 "one") | |
| `(list ~var1 2 3) | |
| (wait-return 2 "hey") | |
| (time-taken (+ 1 1)) | |
| (time-taken (+ 1 1) (wait-return 2 "hey")) | |
| (macroexpand-1 '(time-taken (+ 1 1) (wait-return 2 "hey")))) | |
Thanks for linking to this code though.
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100,000??
Nanoseconds are 10^-9 seconds.