When is the usage of a set more preferable than an array in ios Swift?

When is the usage of a set more preferable than an array in ios Swift?

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: hard

标签: interviewbit, swift, topic-specific, ios

参考答案摘要

If all of the following conditions are met, you should use a set rather than an array: You only want to add each item once. Duplicates are never permitted in sets. The order of the items in the collec...

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