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Mastering Go

You're reading from   Mastering Go Create Golang production applications using network libraries, concurrency, machine learning, and advanced data structures

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Product type Paperback
Published in Aug 2019
Publisher Packt
ISBN-13 9781838559335
Length 798 pages
Edition 2nd Edition
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Author (1):
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Mihalis Tsoukalos Mihalis Tsoukalos
Author Profile Icon Mihalis Tsoukalos
Mihalis Tsoukalos
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Table of Contents (15) Chapters Close

1. Go and the Operating System 2. Understanding Go Internals FREE CHAPTER 3. Working with Basic Go Data Types 4. The Uses of Composite Types 5. How to Enhance Go Code with Data Structures 6. What You Might Not Know About Go Packages and Functions 7. Reflection and Interfaces for All Seasons 8. Telling a UNIX System What to Do 9. Concurrency in Go – Goroutines, Channels, and Pipelines 10. Concurrency in Go – Advanced Topics 11. Code Testing, Optimization, and Profiling 12. The Foundations of Network Programming in Go 13. Network Programming – Building Your Own Servers and Clients 14. Machine Learning in Go 15. Other Books You May Enjoy

Generating random numbers

Random number generation is an art as well as a research area in computer science. This is because computers are purely logical machines, and it turns out that using them to generate random numbers is extremely difficult!

Go uses the math/rand package for generating pseudo-random numbers. It needs a seed to start producing the numbers. The seed is used for initializing the entire process, and it is extremely important because if you always start with the same seed, you will always get the same sequence of pseudo-random numbers. This means that everybody can regenerate that sequence, and that particular sequence will not be random after all.

The name of the utility that will help us to generate pseudo-random numbers is randomNumbers.go, and it will be presented in four parts. The utility takes various parameters, which are the lower and upper limits of...

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