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  • Book Overview & Buying Go Programming - From Beginner to Professional
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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

Parameters

Parameters define what arguments can be passed to our function. Functions can have zero or more parameters. Even though Go allows us to define multiple parameters, we should take care not to have a huge parameter list; that would make the code harder to read. It may also be an indication that the function is doing more than one specific task. If that is the case, we should refactor the function. Take, for example, the following code snippet:

func calculateSalary(lastName string, firstName string, age int, state string, country string, hoursWorked int, hourlyRate, isEmployee bool) {
// code
}

The preceding code is an example of a function whose parameter list is bloated. The parameter list should pertain only to the single responsibility of the function. We should only define the parameters that are needed to solve the specific problem that the function is built for.

Parameters are the input types that our function will use to perform its task. Function parameters...

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Go Programming - From Beginner to Professional
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