
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 function. I …
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.
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 …
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.
Swift - How to replace characters in a String? - Stack Overflow
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...
Rounding a double value to x number of decimal places in swift
Dec 7, 2014 · The nature of Swift's Double appears to be that it can be imprecise – because of the way it's stored/accessed in binary, even using this rounding function will not return a number rounded to 3 …
ios - How to format localised strings in Swift? - Stack Overflow
How to format localised strings in Swift? Asked 9 years, 9 months ago Modified 9 months ago Viewed 40k times
How do I get the App version and build number using Swift?
I have an IOS app with an Azure back-end, and would like to log certain events, like logins and which versions of the app users are running. How can I return the version and build number using Swift?
What is the difference between `let` and `var` in Swift?
Jun 3, 2014 · 38 According to The Swift Programming Language Book Like C, Swift uses variables to store and to values by an identifying name. Swift also makes extensive use of variables whose …
How do I concatenate strings in Swift? - Stack Overflow
Jun 4, 2014 · 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 …