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

Day 3 - Switch statement and integers question

Forums > 100 Days of Swift

I tried making this switch statement:

let test = 1

switch test {
case ...1 : 
  print("one")
case 2... :
  print("two")
}

I was playing with open ranges, didn't know what was legal, but apparently the above is.

Even though the code is exhaustive for integers, I had to enter a default case. Is there any case with integers (not a subset) where swift would recognize the code as exhaustive? Or will you need to enter a default case no matter what?

3      

Just realized how stupid I was. I was miffed that Swift forced me to add a default case that would never be called. Instead I should just change ...

case 2... :

to

default:

3      

Hacking with Swift is sponsored by Essential Developer

SPONSORED Join a FREE crash course for mid/senior iOS devs who want to achieve an expert level of technical and practical skills – it’s the fast track to being a complete senior developer! Hurry up because it'll be available only until April 28th.

Click to save your free spot now

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

Archived topic

This topic has been closed due to inactivity, so you can't reply. Please create a new topic if you need to.

All interactions here are governed by our code of conduct.

 
Unknown user

You are not logged in

Log in or create account
 

Link copied to your pasteboard.