Go: Understand the Empty Interface

Illustration created for “A Journey With Go”, made from the original Go Gopher, created by Renee French.

An empty interface can be used to hold any data and it can be a useful parameter since it can work with any type. To understand how an empty interface works and how it can hold any type, we should first understand the concept behind the name.

Interfaces

Here is a good definition of the empty interface by Jordan Oreilli:

An interface is two…