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Difference between revisions of "Perl/Basics/Boolean Logic/Helper Natives/Exists"
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AlizaLorenzo (Talk | contribs) (Created page with "The '''exists''' native applies specifically to hashes and hash references. {{code|text=<source lang="perl">print "This user has an age.\n" if exists $user->{'age'}; </source>}}") |
Chantal21I (Talk | contribs) |
(No difference)
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Latest revision as of 01:23, 19 July 2012
The exists native applies specifically to hashes and hash references.
print "This user has an age.\n" if exists $user->{'age'}; |
