Jun 17, 2015 · Swift needs a convention for saying what the name of a function is, including not only the function name itself (before the parentheses) but also the external names of the parameters.

Feb 3, 2022 · 77 I'm bridging the sync/async worlds in Swift and doing incremental adoption of async/await. I'm trying to invoke an async function that returns a value from a non async function. I …

8 Swift’s nil is not the same as nil in Objective-C. In Objective-C, nil is a pointer to a non-existent object. In Swift, nil is not a pointer—it is the absence of a value of a certain type. Optionals of any type can …

Jun 3, 2019 · Swift 5.1 does not appear to have some as a keyword, and I don't see what else the word some could be doing there, since it goes where the type usually goes. Is there a new, unannounced …

"How can I use NSTimer in Swift?" – the same way you use it in Objective-C. Its API didn't change.

415 In Swift 2 and onwards it's possible to add default implementations of a protocol. This creates a new way of optional methods in protocols.

May 21, 2015 · The question of what purpose in serves has been well-answered by other users here; in summary: in is a keyword defined in the Swift closure syntax as a separator between the function …

The Swift Docs on Control Flow explain the idea behind that: Using a guard statement for requirements improves the readability of your code, compared to doing the same check with an if statement.

swift if or/and statement like python Asked 11 years, 2 months ago Modified 5 years, 7 months ago Viewed 80k times

Sep 20, 2014 · Back in Swift 1.x, print did not add newline characters at the end of the printed string, whereas println did. But nowadays, print always adds the newline character at the end of the string, …