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Paste # 94877
2015-09-17 21:58:47

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  1. #lang racket
  2.  
  3. (define l (make-list 5000 'x))
  4.  
  5. (time (for ((i 1000)) (memq 'y l)))
  6.  
  7. (time (for ((i 1000)) (member 'y l)))

=>

cpu time: 30 real time: 28 gc time: 0

cpu time: 374 real time: 372 gc time: 0