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

Learn how flatMap is no longer a higher order function on collections. The version of this function on collections was renamed compactMap. However flatMap still exists in Swift on Optionals. You can call flatMap on an Optional and pass in a closure. The closure takes the item and returns an item of any type or nil.

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Skill Level Advanced
1h 6m
Duration
2,143
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Skills covered in this course
Developer Mobile Apps Swift iOS

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