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My question is: are there any conditions when Perl would NOT print "some string" in last two lines of code?

I have trouble making sense of this question.

If you change the code, it might do something differently, depending on how you change it. If you don't change the code, it'll do the same thing each time you execute it.

If the fact that $R is returned surprises you, it might help to know that

unless ($A) { $b }

is actually compiled the same as

$a or $b

(and likewise if ($a) { $b } is compiled the same as $a and $b)

which is why branching constructs as the last statement return the value of the conditional.


In reply to Re: Perl: last evaluated value as a returned value for a subroutine. See inside by moritz
in thread Perl: last evaluated value as a returned value for a subroutine. See inside by Doctrin

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