Hands-On Full Stack Development with Go

Packages

Any Go program consists of one or more packages. Each package is basically a folder, which contains one or more Go files. Every single Go code file you write must belong to a package. Package folders are found inside the src folder of your Go workspace.

When you write Go code, you declare your package name at the very top of your Go file. Here is what this looks like in code:

package mypackage

Here, mypackage is the name of the package that my Go file belongs to. It's idiomatic in Go to have your package name in lower case letters. It is usually preferable to name your package folder the same as your package name. So, when you create a new package, simply create a new folder with your package name, and then create your package files ...