KW Perl Mongers | Perl Modules: A Look Under the Hood | #5 |
Reference RefresherA reference represents the location of another variable or value, which is known as the referent. $scalar_ref = \$s; # reference to scalar $s $array_ref = \@a; # reference to array @a $hash_ref = \%h; # reference to hash %h $sub_ref = \&s; # reference to subroutine &s |
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