Say it with me:

{ 'hashes', 'are', 'curly', 'ones' }

[ 'arrays', 'are', 'square' ]

( 'lists are round' )

using and understanding strict/warnings cuts your development time in half!

#!/usr/bin/perl --
use strict;use warnings;
use Data::Dump qw/ dd /;
my %ro =  {
            (
                1 => "j",
                2 => "b",
            ),
            (
                1 => "p",
                2 => "b",
            ),
        };


my %sham =  (
            (
                1 => "j",
                2 => "b",
            ),
            (
                1 => "p",
                2 => "b",
            ),
        );


my %bo =  {
            {
                1 => "j",
                2 => "b",
            },
            {
                1 => "p",
                2 => "b",
            },
        };

dd \%ro;
dd \%sham;
dd \%bo;
__END__
Reference found where even-sized list expected at - line 4.
Reference found where even-sized list expected at - line 28.
{ "HASH(0x3f8c64)" => undef }
{ 1 => "p", 2 => "b" }
{ "HASH(0x99a3bc)" => undef }
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