#Output

 Class dump 
$VAR1 = bless( {
                 'name' => 'Eva',
                 'age' => '20',
                 'gender' => 'girl'
               }, 'MooseClass' );

 Eva is now 21 old. 
 Class dump 2
$VAR1 = bless( {
                 'name' => 'Eva',
                 'age' => 21,
                 'gender' => 'girl'
               }, 'MooseClass' );

 iterate to next age AgeNow: 21
 iterate to next age AgeNow: 22
 Class dump 3
$VAR1 = bless( {
                 'name' => 'Eva',
                 'age' => 23,
                 'gender' => 'girl'
               }, 'MooseClass' );

 
 New Class dump1 
$VAR1 = bless( {
                 'gender' => 'girl',
                 'age' => 23,
                 'name' => 'Eva'
               }, 'MooseClass' );

 Eva is now 24 old. 
 
 New Class dump2 
$VAR1 = bless( {
                 'gender' => 'girl',
                 'age' => 24,
                 'name' => 'Eva'
               }, 'MooseClass' );

 iterate to next age AgeNow: 24
 iterate to next age AgeNow: 25
 
 New Class dump3 
$VAR1 = bless( {
                 'gender' => 'girl',
                 'age' => 26,
                 'name' => 'Eva'
               }, 'MooseClass' );