laziness, impatience, and hubris | |
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How can I make my hash remember the order I put elements into it?by faq_monk (Initiate) |
on Oct 08, 1999 at 00:20 UTC ( [id://633]=perlfaq nodetype: print w/replies, xml ) | Need Help?? |
Current Perl documentation can be found at perldoc.perl.org. Here is our local, out-dated (pre-5.6) version: Use the Tie::IxHash from CPAN.
use Tie::IxHash; tie(%myhash, Tie::IxHash); for ($i=0; $i<20; $i++) { $myhash{$i} = 2*$i; } @keys = keys %myhash; # @keys = (0,1,2,3,...)
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