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9 lines
539 B
9 lines
539 B
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Exercise 2.76: As a large system with generic
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operations evolves, new types of data objects or new operations may be needed.
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For each of the three strategies—generic operations with explicit dispatch,
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data-directed style, and message-passing-style—describe the changes that
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must be made to a system in order to add new types or new operations. Which
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organization would be most appropriate for a system in which new types must
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often be added? Which would be most appropriate for a system in which new
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operations must often be added?
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