Protocols in Swift provide a way to define a blueprint for types that ensures consistency and interoperability in your code.

swift foundations pop protocols

Singletons in Swift are a powerful tool for simplifying global state and functionality in your code. However, they can also introduce problems.

swift foundations patterns testing

We can send single values or use some type of collection to send several values, however, we also have another little-known or little-used option to send several values.

swift foundations functions

Countable ranges are one of Swift’s unique features that are quite common in for and switch statements.

swift foundations