Learn essential functional programming patterns in Go: Map, Reduce, and Filter operations for elegant data processing. Discover how to separate business logic from control logic with practical employee data examples and explore the path toward generic programming.

Discover how Kubernetes kubectl implements the Visitor design pattern in Go using functional programming.

Master Go’s Inversion of Control using struct embedding, polymorphism, and dependency inversion. Learn to separate control logic from business logic with practical examples including undo functionality and reusable design patterns.

Learn the popular Functional Options pattern in Go for building clean, configurable APIs that are easy to use, maintain, and extend without complex constructors or configuration structs.

Go error handling patterns including modern error wrapping, sentinel errors, resource cleanup with defer, and techniques to avoid ‘if err != nil’ hell.