• derived nodes inherit all messages from their base classes
  
• see reset method for default settings
  
• all children must be value nodes
  
• child value nodes of any size can be used
  
• see the value node for more information
  

constructor not

method app

1 if this node has size greater than zero and children

1.1 for each value in the last child node do

1.1.1 if the element is less than the size of this node then

1.1.1.1 if the child value is TRUE set the element value to FALSE
1.1.1.2 else, set the element value to TRUE