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


##</code><code>##

($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,