RosettaCodeData/Task/Population-count/PicoLisp/population-count.l

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(de popz (N)
(cnt
'((N) (= "1" N))
(chop (bin N)) ) )
(println
'pops:
(mapcar
'((N) (popz (** 3 N)))
(range 0 29) ) )
(setq N -1)
(println
'evil:
(make
(for (C 0 (> 30 C))
(unless (bit? 1 (popz (inc 'N)))
(link N)
(inc 'C) ) ) ) )
(setq N -1)
(println
'odio:
(make
(for (C 0 (> 30 C))
(when (bit? 1 (popz (inc 'N)))
(link N)
(inc 'C) ) ) ) )