Liulishuo Tech Team
Apr 11, 2018 · Mobile Development
Understanding map, flatMap, and compactMap in Swift
This article explains the differences between map, flatMap, and compactMap in Swift, covering the three overloads of flatMap, their behavior with sequences and optionals, the rationale behind renaming one overload to compactMap, and when to prefer optional chaining versus optional mapping.
FlatMapMapOptional
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