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Rosetta Code Error or $n // 100by pgmer6809 (Sexton) |
on Mar 24, 2019 at 19:58 UTC ( [id://1231622]=perlquestion: print w/replies, xml ) | Need Help?? |
pgmer6809 has asked for the wisdom of the Perl Monks concerning the following question: On Rosetta (https://rosettacode.org/wiki/Continued_fraction#Perl ) there is the perl solution to evaluating Continuous fractions. The code given is: (<===== comments added by me)
The output shown on Rosetta is correct .My TWO questions are: 1) Why can they pass in two arguments sometimes (two function refs) and three arguments other times (two function refs, and an integer count? 2) What value does the expression $_[2] // 100 assign to $n ?
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