9 lines
179 B
Perl
9 lines
179 B
Perl
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#!/usr/bin/perl
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use strict;
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use warnings;
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use Tie::IxHash;
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my %hash;
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tie %hash, 'Tie::IxHash';
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%hash = (one => 1, two => 2, three => 3);
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print join(",",keys(%hash)),"\n";
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