Posts tagged #optional

Raw value initializers for enums with associated types

Once you add associated types to an enum the task of creating instances quickly becomes very repetitive. See how a simple trick can greatly simplify this

Force optionals in multi-unwrapped 'guard let' or 'if let'

Mixing optional and non-optional functions in a guard is impossible and requires breaking up the lines. Here's a neat solution on how to circumvent this.

Generic method overloading by protocol in Swift

See how you can even overload methods in a generic manner by using protocols

Understanding the powerful Switch statement in Swift

Swift optionals made simple

With Swift, Apple introduced several new programming languages features to iOS and Mac developers. One of them are Optionals. This is a simple introduction into Optionals that glosses over details to make it more approachable.