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The Go Workshop

You're reading from   The Go Workshop Learn to write clean, efficient code and build high-performance applications with Go

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Product type Paperback
Published in Dec 2019
Publisher Packt
ISBN-13 9781838647940
Length 824 pages
Edition 1st Edition
Languages
Tools
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Authors (6):
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Sam Hennessy Sam Hennessy
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Sam Hennessy
Andrew Hayes Andrew Hayes
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Andrew Hayes
Gobin Sougrakpam Gobin Sougrakpam
Author Profile Icon Gobin Sougrakpam
Gobin Sougrakpam
Jeremy Leasor Jeremy Leasor
Author Profile Icon Jeremy Leasor
Jeremy Leasor
Delio D'Anna Delio D'Anna
Author Profile Icon Delio D'Anna
Delio D'Anna
Dániel Szabó Dániel Szabó
Author Profile Icon Dániel Szabó
Dániel Szabó
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Toc

Table of Contents (21) Chapters Close

Preface 1. Variables and Operators FREE CHAPTER 2. Logic and Loops 3. Core Types 4. Complex Types 5. Functions 6. Errors 7. Interfaces 8. Packages 9. Basic Debugging 10. About Time 11. Encoding and Decoding (JSON) 12. Files and Systems 13. SQL and Databases 14. Using the Go HTTP Client 15. HTTP Servers 16. Concurrent Work 17. Using Go Tools 18. Security 19. Special Features Appendix

The go build Tool

The go build tool takes Go source code and compiles it so it can be executed. When creating software, you write code in a human-readable programming language. Then, the code needs to be translated into a machine-readable format to execute. This is done by a compiler that compiles the machine instructions from the source code. To do this with Go code, you would use go build.

Exercise 17.01: Using the go build Tool

In this exercise, you will learn about the go build tool. This will take your Go source code and compile it into a binary. To use it, run the go build tool on the command line, as follows:

go build -o name_of_the_binary_to_create source_file.go

Let's get started:

  1. Create a new directory called Exercise17.01 on your GOPATH. Within that directory, create a new file called main.go:
  2. Add the following code to the file to create a simple Hello World program:
    package main
    import "fmt"
    func main() {
      fmt.Println(&quot...
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