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8 lines
330 B
8 lines
330 B
2 years ago
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Exercise 4.62: Define rules to implement the
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last-pair operation of Exercise 2.17, which returns a list
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containing the last element of a nonempty list. Check your rules on queries
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such as (last-pair (3) ?x), (last-pair (1 2 3) ?x) and
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(last-pair (2 ?x) (3)). Do your rules work correctly on queries such as
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(last-pair ?x (3))?
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