Created
August 11, 2020 13:02
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scalar reference
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| #!/usr/bin/env perl | |
| use strict; | |
| use warnings; | |
| use feature 'say'; | |
| my $a = 1; | |
| my $b = $a; | |
| $b *= 10; | |
| say $a; | |
| my $c = \$a; | |
| $$c *= 10; | |
| say $a; |
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