Higher-Order Functions in Swift, Episode 4: Explore the Standard Library | raywenderlich.com

There are a plethora of higher-order functions waiting for you in the Swift Standard Library and the new Swift Algorithms framework! Check out a few of them, here.

This is a companion discussion topic for the original entry at https://www.raywenderlich.com/23523624-higher-order-functions-in-swift/lessons/4