
What is _: in Swift telling me? - Stack Overflow
2015年6月17日 · 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 …
Swift await/async - how to wait synchronously for an async task to ...
2022年2月3日 · 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 …
What is the "some" keyword in Swift (UI)? - Stack Overflow
2019年6月3日 · 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, …
ios - Swift `in` keyword meaning? - Stack Overflow
2015年5月21日 · 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 …
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 …
Can you run and compile Swift code on Windows? - Stack Overflow
2016年4月17日 · 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 …
ios - Swift - encode URL - Stack Overflow
2014年7月3日 · 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: print () vs println () vs NSLog () - Stack Overflow
2014年9月20日 · 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 …
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 …
Swift - How to replace characters in a String? - Stack Overflow
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 …