Which of the following is a good reason for using the visitor pattern for traversing AST nodes?

Question

Answer

To allow  operations  to be added without modifying existing visitor classes.

Answer

To improve  performance  by making AST traversal faster.

Answer

To reduce the  complexity  of defining each AST node as an independent class.

Answer

To separate the  logic  for different operations (e.g., evaluation, printing) from the AST classes themselves.

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