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.
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 ...
How to concatenate string in Swift? In Objective-C we do like NSString *string = @"Swift"; NSString *resultStr = [string stringByAppendingString:@" is a new Programming Language"]; or NSString *
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.
I want to replace my CI bash scripts with swift. I can't figure out how to invoke normal terminal command such as ls or xcodebuild #!/usr/bin/env xcrun swift import Foundation // Works println("...
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?
I am looking for a way to replace characters in a Swift String. In this example String: "This is my string" I would like to replace the spaces, " ", with "+" to end up...
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 (all other Swift files in the module can only contain declarations). Cocoa Touch uses the @UIApplicationMain attribute on an implementation of UIApplicationDelegate instead of a main.swift file to mark the entry ...