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CompactMap: Learning Higher-Order Functions with Swift
CompactMap: Learning Higher-Order Functions with Swift

CompactMap is a combination of map and filter. Learn how it takes a closure that returns some type. Like map it may be a different type from the collection originally contained. However, the return type of the closure is an Optional. So if the closure returns nil it filters it out. In that way, it maps and filters.

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Skill Level Advanced
1h 6m
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Skills covered in this course
Developer Mobile Apps Swift iOS

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