Perl: Extract a column from a hashref

I have an array full of hash references and I need to extract a column and build an array from that.

my @x = ( {'ip' => '127.0.0.1'}, {'ip' => '10.10.10.10'}, {'ip' => '192.168.5.6'} );
my @y = hash_column('ip', @x); # ["127.0.0.1", "10.10.10.10", "192.168.5.6"]
sub hash_column {
    my $col = shift();
    my @arr = @_;

    my @ret;
    foreach my $x (@arr) {
        push(@ret, $x->{$col});
    }

    return @ret;
}


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