Set ADT (cont)
Data-type operations:
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void SetInsert(Set,int) ... add number into set
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void SetDelete(Set,int) ... remove number from set
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int SetMember(Set,int) ... set membership test
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Set SetUnion(Set,Set) ... union
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Set SetIntersect(Set,Set) ... intersection
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int SetCard(Set) ... cardinality (#elements)
Note: union and intersection return a newly-created Set
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