Clean Code: Interfaces in Go - Why Small Is Beautiful [Part 3]

This story was originally published on HackerNoon at: https://hackernoon.com/clean-code-interfaces-in-go-why-small-is-beautiful-part-3 . Master Go interfaces: why single-method interfaces rule, accept interfaces return structs, and the nil interface gotcha that crashes production. From 6 years of Check more stories related to programming at: https://hackernoon.com/c/programming . You can also check exclusive content about #golang , #clean-code , #software-engineering , #best-practices , #backend , #design-patterns , #interfaces-in-go , #hackernoon-top-story , and more. This story was written by: @yakovlef . Learn more about this writer by checking @yakovlef's about page, and for more stories, please visit hackernoon.com . Go's single-method interfaces are the norm, not the exception. In Go, a type satisfies an interface automatically, without explicit declaration. The single method rule is the difference between code that fights language and code that flows like water.