Re^4: What is true and false in Perl? (undef,undef)

Hi can somebody explain to me the reason behind the following: test.pl: #!/usr/bin/perl my $a = (1==0); print "__".ref($a)."__\n"; Output: ____

Comment on Re^4: What is true and false in Perl? (undef,undef)

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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
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	[reply] [d/l]
Re^6: What is true and false in Perl? (undef,undef) by amartyaj (Initiate) on Nov 22, 2013 at 19:35 UTC
Got it. Thanks a lot Dave.	[reply]