Left factorials: Difference between revisions
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Note that we just use subscripting on the list rather than an explicit function call to retrieve the desired values. If you time these two solutions, the second will run about 280 times faster than the first.
In this case, since we aren't actually interested in the factorials, we could have just
<lang perl6>constant leftfact = 0, [\+] 1, [\*] 1..*;</lang>
(No significant difference in run time.)
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