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Go Programming - From Beginner to Professional

Go Programming - From Beginner to Professional - Second Edition

By : Samantha Coyle
4.5 (14)
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Go Programming - From Beginner to Professional

Go Programming - From Beginner to Professional

4.5 (14)
By: Samantha Coyle

Overview of this book

Go Programming – From Beginner to Professional is a comprehensive guide that takes your proficiency in the Go programming language from novice to expert. Starting with fundamental concepts, this book covers variables, command-line tools, and working with data before delving into advanced concepts, including error handling, interfaces, and generics, harnessing Go’s latest features through hands-on exercises. Along the way, you’ll learn to structure projects using Go modules, manage packages effectively, and master debugging techniques. As you progress, you’ll get to grips with practical application-centric aspects such as command-line programming, file manipulation, and working with SQL databases. Additionally, the book explores web server development, RESTful APIs, and utilizing the Go HTTP client to interact with web applications. Further enhancing your Go skills, you’ll learn concurrent programming, testing methodologies, Go tools, and how to deploy applications in the cloud. Throughout the book, you’ll uncover Go’s hidden gems and gain insights into time manipulation, best practices, and more. By the end of this book, you’ll have worked through practical exercises and activities that’ll equip you with the knowledge and skills needed to excel as a proficient Go developer, primed for success in real-world projects.
Table of Contents (30 chapters)
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1
Part 1: Scripts
6
Part 2: Components
11
Part 3: Modules
16
Part 4: Applications
20
Part 5: Building For The Web
23
Part 6: Professional

if statements

An if statement is the most basic form of logic in Go. An if statement either will or will not run a block of code based on a Boolean expression. The notation looks like this: if <boolean expression> { <code block> }.

The Boolean expression can be simple code that results in a Boolean value. The code block can be any logic that you could also put in a function and are confined to the code block of that function. The code block runs when the Boolean expression is true. You can only use if statements within the scope of a function. In Go, the concept of “function scope” refers to the visibility and accessibility of variables and statements within a function. .

Exercise 2.01 – a simple if statement

In this exercise, we’ll use an if statement to control whether certain code will or will not run. We’ll define an int value that will be hardcoded, but in a real-world application, this could be user input. We’ll then...

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Go Programming - From Beginner to Professional
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