Behavioral Design Patterns in C++ - RPN Evaluator - II

The video tutorial explains how to evaluate postfix expressions using the interpreter pattern. It starts with basic addition and subtraction, then extends to include multiplication and division by adding new classes. The tutorial demonstrates testing new expressions and highlights the flexibility of the interpreter pattern in adding or modifying rules. It concludes with a note on using smart pointers in the parser.

Describe the role of non-terminal classes in the context of the interpreter pattern.

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How can new rules be added or existing ones modified using the interpreter pattern?

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