In Perl, of course, you generally have the option of using pass by value or pass by reference.

Everything is passed by reference in Perl. 

sub foo { $_[0] = 'bar'; }
foo($a);
print($a);  # bar

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Don't confuse "passing by reference" with "passing a reference".

In reply to Re: Refactoring Perl #7 - Remove Assignments to Parameters by ikegami
in thread Refactoring Perl #7 - Remove Assignments to Parameters by agianni

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