Shorthand syntax for optional binding conditions that shadow an existing variable by omitting the right-hand expression.
One way to perform operations concurrently in iOS is with the Operation and OperationQueue classes built on top of GCD.
You specify an attribute by writing the @ symbol followed by the attribute’s name and any arguments that the attribute accepts.
Swift protocols play a leading role in the structure of standard library and a common method of abstraction, provide a similar experience to interfaces that some other languages have.
CocoaPods will resolve dependencies between libraries, fetch the resulting source code, then link it together in an Xcode workspace to build your project.
When you add a dependency to Xcode projects you have the options to add Swift packages, XCFrameworks, frameworks or libraries.
The official tool for managing the distribution of Swift code to automate the process of downloading, compiling, and linking dependencies.
Carthage builds your dependencies and provides you with binary frameworks, but you retain full control over your project structure and setup.
A simple way, similar to a `let` binding, to create child tasks and await their results using `async let` declarations.
Bundle and share reusable Swift source files, binaries, and resources in a way that is easy to use in your iOS apps.