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c:\@Work\Perl\monks\tel2>perl -wMstrict -MData::Dump -le
"my @ra = ({a=>1, b=>2}, {a=>1, b=>2});
...
"
HASH(0x1555cdc) HASH(0x1555e50)
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c:\@Work\Perl\monks\tel2>perl -wMstrict -MData::Dump -le
"my %hash;
...
  $a->{key2} = $a->{key1};
  $a;
}