Variables

Explore how to declare and assign variables in Go using var and the short form := operator. Understand type inference, default values, assignment rules, and common errors to effectively manage variables in your Go programs.

We'll cover the following...

Introduction
Assigning values
- Short form with := assignment operator

Introduction

A value that can be changed by a program during execution is called a variable. The general form for declaring a variable uses the keyword var as:

var identifier type

Here, identifier is the name of the variable, and type is the type of the variable. As discussed earlier in this chapter, type is written after the identifier of the variable, contrary to most older programming languages. When a variable is declared, memory in Go is initialized, which means it contains the ...

1.Origin, Context and Popularity of GO

2.Basic Constructs and Elementary Data Types

3.Control Structures

4.Functions

5.Arrays and Slices

6.Maps

7.Packages

8.Structs and Methods

9.Interfaces and Reflection

10.Reading and Writing

11.Error-Handling and Testing

12.Goroutines and Channels

13.Networking, Templating and Web-Applications

14.Common Go Pitfalls and Patterns

15.Performance Advices

16.Building a Complete Application

17.Appendix

Variables

Introduction