Book Image

Mastering Go - Second Edition

By : Mihalis Tsoukalos
Book Image

Mastering Go - Second Edition

By: Mihalis Tsoukalos

Overview of this book

Often referred to (incorrectly) as Golang, Go is the high-performance systems language of the future. Mastering Go, Second Edition helps you become a productive expert Go programmer, building and improving on the groundbreaking first edition. Mastering Go, Second Edition shows how to put Go to work on real production systems. For programmers who already know the Go language basics, this book provides examples, patterns, and clear explanations to help you deeply understand Go’s capabilities and apply them in your programming work. The book covers the nuances of Go, with in-depth guides on types and structures, packages, concurrency, network programming, compiler design, optimization, and more. Each chapter ends with exercises and resources to fully embed your new knowledge. This second edition includes a completely new chapter on machine learning in Go, guiding you from the foundation statistics techniques through simple regression and clustering to classification, neural networks, and anomaly detection. Other chapters are expanded to cover using Go with Docker and Kubernetes, Git, WebAssembly, JSON, and more. If you take the Go programming language seriously, the second edition of this book is an essential guide on expert techniques.
Table of Contents (20 chapters)
Title Page

The io.Reader and io.Writer Interfaces

As stated in the previous chapter, compliance with the io.Reader interface requires the implementation of the Read() method, whereas if you want to satisfy the io.Writer interface guidelines, you will need to implement the Write() method. Both these interfaces are very popular in Go and we will put them to use in a little while.

Buffered and unbuffered file input and output

Buffered file input and output happens when there is a buffer for temporarily storing data before reading data or writing data. Thus, instead of reading a file byte by byte, you read many bytes at once. You put the data in a buffer and wait for someone to read it in the desired way. Unbuffered file input and output happens...