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- 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 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
- 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
- swift if or and statement like python - Stack Overflow
swift if or and statement like python Asked 11 years, 2 months ago Modified 5 years, 7 months ago Viewed 80k times
- 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 an if statement
- Can you run and compile Swift code on Windows? - Stack Overflow
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?
- Swift: print () vs println () vs NSLog () - Stack Overflow
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, and if you don't want it to do that, supply a terminator parameter of "" NSLog: NSLog adds a timestamp and identifier to the output, whereas print will not
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