- Gof/Visitor . . . . 2 matches
- declares a Visit operations for each class of ConcreteElement in the object structure. The operation's name and signature identifies the class that sends the Visit request to the visitor. That lets the visitor determine the concrete class of the element being visited. Then the visitor can access the element directly through its particular interface.
* ConcreteElement (AssignmentNode, VariableRefNode)
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