Re^2: print and say

for does a loop over one element, that's nonsense.

$answer = myfunct($str1, $str2);
say $answer;
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Cheers Rolf
_{(addicted to the Perl Programming Language and ☆☆☆☆ :)

Je suis Charlie!}

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Re^3: print and say by haukex (Archbishop) on Sep 13, 2017 at 08:02 UTC
Disregarding efficiency, a `for` loop over one element can be "useful" as a "topicalizer", i.e. locally setting `$_` and shortening code. It's suggested by the Perl documentation in Switch Statements for use with the experimental `when`.	[reply] [d/l] [select]
Re^4: print and say by LanX (Saint) on Sep 13, 2017 at 09:08 UTC
Sure, I used this quite often already, like in Understanding the benefit of Given/When ... But when helping newbies to learn driving I don't mention how to race in curves while using hand brakes ... ;) Cheers Rolf _{(addicted to the Perl Programming Language and ☆☆☆☆ :) Je suis Charlie!}	[reply]