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.
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 understand that explicit use of Task is the way to do that, as described, for instance, here. The example doesn't really fit as that task doesn't return a value.
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 be set to nil, not just object types. NULL has no equivalent in Swift. nil is also called nil in Swift Nil has no equivalent ...
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 type and the function body in a closure: { / parameters and type / in / function body / } But for those who might be wondering "but why specifically the keyword in?", here's a bit of history shared by Joe Groff ...
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 version of Swift? Is it a function that's being used on a type in a way I didn't know about? What does the keyword some do?
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.
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?
Is There an Easier Way to Use Swift Code in Kotlin Multiplatform? Step-by-Step with Cocoapods Is there any new/easy way to call swift function from kotlin directly in kmp project? or Can anyone explain the same using cocoapods step by step?
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.