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 …

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 …

With Swift 5, Foundation offers many ways to get the hour value from a Date object. According to your needs, you may choose one of the four following Playground code snippets.

I have an IOS app with an Azure back-end, and would like to log certain events, like logins and which versions of the app users are running. How can I return the version and build number using Swift?

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.

Apr 17, 2016 · With the release of Swift 3.0 being available for Mac OS and Windows, does this mean you can compile and run Swift code on Windows? If so what compiler do you use for Windows?

2 Swift 5.5 But this might work in earlier versions. I'm frequently replacing because I want to replace "any whitespace or -" with a _ or something like that. This extension on string lets me do that.

Jul 3, 2014 · 0 SWIFT 4.2 Sometimes this happened just because there is space in slug OR absence of URL encoding for parameters passing through API URL.

Swift is not like languages like JavaScript, where you can call a function without passing the parameters and it will still be called. So to call a function in Swift, you need to assign a value to its parameters. …