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NAME

     Tie::RefHash - use references as hash keys



SYNOPSIS
         require 5.004;
         use Tie::RefHash;
         tie HASHVARIABLE, 'Tie::RefHash', LIST;

         untie HASHVARIABLE;




DESCRIPTION
     This module provides the ability to use references as hash
     keys if you first tie the hash variable to this module.

     It is implemented using the standard perl TIEHASH interface.
     Please see the tie entry in perlfunc(1) and perltie(1) for
     more information.



EXAMPLE
         use Tie::RefHash;
         tie %h, 'Tie::RefHash';
         $a = [];
         $b = {};
         $c = \*main;
         $d = \"gunk";
         $e = sub { 'foo' };
         %h = ($a => 1, $b => 2, $c => 3, $d => 4, $e => 5);
         $a->[0] = 'foo';
         $b->{foo} = 'bar';
         for (keys %h) {
            print ref($_), "\n";
         }




AUTHOR
     Gurusamy Sarathy        gsar@umich.edu



VERSION
     Version 1.2    15 Dec 1996



SEE ALSO
     perl(1), perlfunc(1), perltie(1)









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