DataNode represents a node that corresponds to a specific data key in the Rete graph.
It holds a key and can have child nodes that represent nested data, rules, or combinations that depend on this data key.
Data nodes can be followed if they do not evaluate to undefined.
DataNode represents a node that corresponds to a specific data key in the Rete graph. It holds a key and can have child nodes that represent nested data, rules, or combinations that depend on this data key. Data nodes can be followed if they do not evaluate to
undefined.