Filter, Map, Reduce, CompactMap, FlatMap - Swift - iOS Dev Interview Questions

Go to https://squarespace.com/seanallen to save 10% off your first purchase of a website or domain using code SEANALLEN. Explaining Filter, Map and Reduce in Swift is a very common iOS Dev interview question. In this tutorial I'll walk you through how Filter, Map and Reduce work and how to chain them together for more complex examples. I also show you how compact map and flat map work. This tutorial was created using Xcode 14 and iOS 16. iOS Developer Interview Questions Playlist: https://www.youtube.com/playlist?list=PL8seg1JPkqgF5wazzCKSq3EEfqt3t8mvA My iOS Dev Courses: https://seanallen.teachable.com/ My Closures Video: https://youtu.be/ND44vQ5iJyc Twitter: Sean Allen - https://twitter.com/seanallen_dev Hired.com: https://hired.com/x/1n01g Book and learning recommendations that help out the channel if you decide to purchase (Affiliate Links): Paul Hudson's Hacking With Swift: https://gumroad.com/a/762098803 Donny Wals - Combine: https://gumroad.com/a/909014131 Mark Moeyken’s SwiftUI Books: www.bigmountainstudio.com/swiftui-views-book/fzc51 Objc.io Books (Thinking in SwiftUI & Advanced Swift): https://gumroad.com/a/656585843 #swift #softwaredeveloper #iosdeveloper Timestamps: 0:00 - Filter, Map, Reduce 0:45 - Filter 3:02 - Map 4:35 - Reduce (simple) 6:05 - Reduce (on property) 7:17 - Chaining 10:18 - Compact Map 11:21 - Flat Map