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Re^5: What is true and false in Perl? (undef,undef)by davido (Cardinal) |
| on Nov 22, 2013 at 18:11 UTC ( #1063973=note: print w/replies, xml ) | Need Help?? |
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What do you think ref does? In your example code, $a doesn't contain a reference. It contains a false value. ref does exactly this: "Returns a non-empty string if EXPR is a reference, the empty string otherwise." Dave
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