Higher order functions in Swift


Higher-order functions are functions that can accept other functions or closure as parameters. I’ll introduce some very useful higher-order functions. Those functions are Map, Filter, Reduce, Sorted, CompactMap, Chaining, and Contains. Other new higher-order functions were introduced in Swift 4.2. Those functions are AllSatisfy, FirstIndex, LastIndex, and RemoveAll. Map Map function can be used to…
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