use Data::Dump qw(pp);
use Tie::IxHash;
tie my(%hash), 'Tie::IxHash', (a => 1, c => 3, b => 2);
pp \%hash;

##</code><code>##

{
  # tied Tie::IxHash
  a => 1,
  b => 2,
  c => 3,
}