switch-statement Archives

Kotlin: implement switch-case statement in Kotlin

January 17, 2021 Barnaby Jennifer

Question or issue of Kotlin Programming: How to implement equivalent of following Java switch statement code in Kotlin?

Kotlin: Kotlin ‘when’ statement vs Java ‘switch’

January 17, 2021 Dane Isabella

Question or issue of Kotlin Programming: Pattern matching in Kotlin is nice and the fact it does not execute the next pattern match is good in 90% of use cases.

Catch multiple errorTypes?

January 13, 2021 Bell Jacquise

Question or problem in the Swift programming language: I’m looking for a way to catch multiple types of errors in a catch. I’ve tried fallthrough and the comma separated style from a switch statement and neither works. The docs say nothing about catching multiple but pattern 1. It’s not clear to me which of the […]

Switching on UIButton title: Expression pattern of type ‘String’ cannot match values of type ‘String?!’

January 12, 2021 Ollie MC

Question or problem in the Swift programming language: I’m trying to use a switch in an @IBAction method, which is hooked to multiple buttons

Swift can a switch case statement have multiple arguments?

December 31, 2020 Ogima Cooper

Question or problem in the Swift programming language: If I have set my cases in enum, can I call multiple of those cases in a switch statement? aka case .a, .b: return true

Sending emails – MFMailComposeResult

December 31, 2020 Andrew Rocky

Question or problem in the Swift programming language: I’m trying to migrate one of my applications from Obj-C to Swift and I’ve a problem with the emails management. I searched by hours but I did not found how solve this problem. Basically, I’m trying to migrate the func mailComposeController(controller: MFMailComposeViewController!, didFinishWithResult result: MFMailComposeResult, error: NSError!) […]

How do I use AS with a switch in swift to get the class type

December 30, 2020 James Cameron

Question or problem in the Swift programming language: I have an array of SomeClass which is the super class of various other classes. The array has all of those random classes in it. Is there a way using switch (as opposed to else if let something = elm as? TheSubClassType)

Tag: switch-statement