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Perl/Basics/Boolean Logic/Helper Natives/Exists
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Revision as of 02:48, 16 July 2012 by 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>}}")
