Go Programming Language For Dummies

Chapter 18

Ten Useful Go Packages to Create Applications

IN THIS CHAPTER

Exploring third-party Go packages

Becoming a better Go developer

Go comes with various standard libraries that enable you to accomplish most of the tasks you need to perform. However, sometimes you need more than what the standard library offers. Fortunately, thanks to the vibrant Go developer community, chances are, the functionalities you need are already fulfilled by one or more of the third-party packages available. So, instead of reinventing the wheel and writing the code yourself, you can simply download the package and use it in your program. In this chapter, I introduce ten packages that you may find useful in your application.

color

Tired of the boring black-and-white command-line applications? Inject some life into your Go command-line app using the color package. With the color package, you can use different colors in your app to highlight important messages or errors.

Installation

$ go get github.com/fatih/color

Code sample

package main import "github.com/fatih/color" func main() { color.Red("Error Message") color.Green("Retro…") color.Blue("Color is cool!") customBg := color.New(color.FgBlue).Add( color.BgWhite).Add(color.Italic) customBg.Println("How does this look like?")}

now

Anyone ...