Scalar references
- scalar references
Similar to array references and hash references one can also create references to scalars.
#!/usr/bin/env perl
use strict;
use warnings;
my $name = "Foo";
my $name_ref = \$name;
print "$name_ref\n"; # SCALAR(0x562516e5f140)
print "$name\n"; # Foo
print "$$name_ref\n"; # Foo