About 20,300,000 results
Open links in new tab
  1. What is _: in Swift telling me? - Stack Overflow

    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 …

  2. null / nil in Swift - Stack Overflow

    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 …

  3. Swift await/async - how to wait synchronously for an async task to ...

    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 …

  4. What is the "some" keyword in Swift (UI)? - Stack Overflow

    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, …

  5. How does one declare optional methods in a Swift protocol?

    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.

  6. ios - Swift `in` keyword meaning? - Stack Overflow

    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 …

  7. swift2 - Swift: guard let vs if let - Stack Overflow

    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 …

  8. Newest 'swift' Questions - Stack Overflow

    Dec 23, 2025 · 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 …

  9. What is the entry point of swift code execution? - Stack Overflow

    May 6, 2016 · The entry point in a plain Swift module is the file in the module called main.swift. main.swift is the only file which is allowed to have expressions and statements at the top level …

  10. Default optional parameter in Swift function - Stack Overflow

    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 …