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What Makes Golang Go: The Power of Go Interfaces

A talk by Ricardo Gerardi
Author, Powerful Command-Line Applications in Go

Interfaces are one of the most powerful Go features. They allow you to develop applications and libraries that are flexible, re-usable, and testable.

Like other programming languages, interfaces allow you to abstract behavior without prescribing how objects implement them. Unlike other programming languages, however, Go favors small interfaces and implements them implicitly. This concept changes the paradigm of how we think about interfaces and design our programs to use them.

In this talk we'll deep dive into interfaces by applying them to solve different challenges, through hands-on examples. At the end of this talk, you will be able to:

  • Understand the benefits of Go Interfaces;
  • Learn how to define, implement, and use interfaces;
  • Apply interface concepts to make your code re-usable and testable;
  • Explore recommended practices to obtain the most value out of interfaces.

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