Book Image

Go Programming Cookbook - Second Edition

By : Aaron Torres
Book Image

Go Programming Cookbook - Second Edition

By: Aaron Torres

Overview of this book

Go (or Golang) is a statically typed programming language developed at Google. Known for its vast standard library, it also provides features such as garbage collection, type safety, dynamic-typing capabilities, and additional built-in types. This book will serve as a reference while implementing Go features to build your own applications. This Go cookbook helps you put into practice the advanced concepts and libraries that Golang offers. The recipes in the book follow best practices such as documentation, testing, and vendoring with Go modules, as well as performing clean abstractions using interfaces. You'll learn how code works and the common pitfalls to watch out for. The book covers basic type and error handling, and then moves on to explore applications, such as websites, command-line tools, and filesystems, that interact with users. You'll even get to grips with parallelism, distributed systems, and performance tuning. By the end of the book, you'll be able to use open source code and concepts in Go programming to build enterprise-class applications without any hassle.
Table of Contents (16 chapters)
I/O and Filesystems

Go provides excellent support for both basic and complex I/O. The recipes in this chapter will explore common Go interfaces that are used to deal with I/O and show you how to make use of them. The Go standard library frequently uses these interfaces, and they will be used by recipes throughout the book.

You'll learn how to work with data in memory and in the form of streams. You'll see examples of working with files, directories, and the CSV format. The temporary files recipe looks at a mechanism to work with files without the overhead of dealing with name collision and more. Lastly, we'll explore Go standard templates for both plain text and HTML.

These recipes should lay the foundation for the use of interfaces to represent and modify data, and should help you think about data in an abstract and flexible way.

In this chapter, the following recipes will be covered:

  • Using the common I/O interfaces
  • Using the bytes and strings packages
  • Working with directories and files
  • Working with the CSV format
  • Working with temporary files
  • Working with text/template and html/template