{
    number     => 1, 
    name       => "test", 
    id         => "test", 
    rollSizzle => (), 
    roll       => undef, 
    sizzle     => undef
}

## is the same as

{
    number     => 1, 
    name       => "test", 
    id         => "test", 
    rollSizzle => "roll",
    undef      => "sizzle",
    undef
}