UPGRADE YOUR SKILLS: Learn advanced Swift and SwiftUI on Hacking with Swift+! >>

Complex types: Summary

You’ve made it to the end of the second part of this series, so let’s summarize:

  1. Arrays, sets, tuples, and dictionaries let you store a group of items under a single value. They each do this in different ways, so which you use depends on the behavior you want.
  2. Arrays store items in the order you add them, and you access them using numerical positions.
  3. Sets store items without any order, so you can’t access them using numerical positions.
  4. Tuples are fixed in size, and you can attach names to each of their items. You can read items using numerical positions or using your names.
  5. Dictionaries store items according to a key, and you can read items using those keys.
  6. Enums are a way of grouping related values so you can use them without spelling mistakes.
  7. You can attach raw values to enums so they can be created from integers or strings, or you can add associated values to store additional information about each case.

TAKE YOUR SKILLS TO THE NEXT LEVEL If you like Hacking with Swift, you'll love Hacking with Swift+ – it's my premium service where you can learn advanced Swift and SwiftUI, functional programming, algorithms, and more. Plus it comes with stacks of benefits, including monthly live streams, downloadable projects, a 20% discount on all books, and free gifts!

Find out more

Sponsor Hacking with Swift and reach the world's largest Swift community!

BUY OUR BOOKS
Buy Pro Swift Buy Pro SwiftUI Buy Swift Design Patterns Buy Testing Swift Buy Hacking with iOS Buy Swift Coding Challenges Buy Swift on Sundays Volume One Buy Server-Side Swift Buy Advanced iOS Volume One Buy Advanced iOS Volume Two Buy Advanced iOS Volume Three Buy Hacking with watchOS Buy Hacking with tvOS Buy Hacking with macOS Buy Dive Into SpriteKit Buy Swift in Sixty Seconds Buy Objective-C for Swift Developers Buy Beyond Code

Was this page useful? Let us know!

Average rating: 4.7/5

 
Unknown user

You are not logged in

Log in or create account
 

Link copied to your pasteboard.