The Go Workshop

11. Encoding and Decoding (JSON)

Overview

This chapter aims to acquaint you with the fundamentals of JavaScript Object Notation (JSON). You will learn how to use Go to parse JSON, and then gain the ability to convert JSON to a struct and back to JSON.

Here, you will learn to describe JSON and unmarshal JSON to a struct. You will also learn to marshal a struct to JSON and set the JSON key name to something different than the struct field name. By the end of the chapter, you will be able to use various JSON tag attributes to control what gets converted to JSON, unmarshal an unknown JSON structure, and use encoding for data transmission.

Introduction

In the previous chapter, we looked at errors in Go and discovered that, in Go, errors are ...