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Show a simple Perl program to perform reference to functions. |
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Answer» Perl is a wonderful language to WRITE simple programs in for various functions. LET’s LOOK at some examples of it: sub DisplayDetails { my (%details) = @_; foreach $i (%details) { print "Item : $i\n"; } } %details = ('Name' => 'Gaurav', 'age' => 28); # Creating a reference to the above function. $c_ref = \&DisplayDetails; # This is a function call that uses the reference. &$c_ref(%details); |
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