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my $hash_ref = {};
push my @arr, $hash_ref;
$hash_ref->{key} = 'value';
print $arr[0]{key};  # value

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($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,