Lyu Shing, Rzeznik Andrew - Practical Rust Projects. Build Serverless, AI, Machine Learning, Embedded, Game, And Web Applications (Second Edition).pdf

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Practical Rust
Projects
Build Serverless, AI, Machine Learning,
Embedded, Game, and Web Applications
—
Second Edition
—
Shing Lyu
Andrew Rzeznik
Practical Rust Projects
Build Serverless, AI, Machine
Learning, Embedded, Game, and
Web Applications
Second Edition
Shing Lyu
Andrew Rzeznik
Practical Rust Projects: Build Serverless, AI, Machine Learning, Embedded, Game,
and Web Applications
Shing Lyu
Amsterdam, The Netherlands
ISBN-13 (pbk): 978-1-4842-9330-0
https://doi.org/10.1007/978-1-4842-9331-7
Andrew Rzeznik
Arlington, MA, USA
ISBN-13 (electronic): 978-1-4842-9331-7
Copyright © 2023 by Shing Lyu and Andrew Rzeznik
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Table of Contents
About the Authors�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½ ix
About the Technical Reviewer �½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½ xi
Introduction �½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½ xiii
Chapter 1: Welcome to the World of Rust �½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½ 1
1.1 Who Is This Book For? ............................................................................................................. 2
1.2 Who Is This Book Not For? ...................................................................................................... 3
1.3 Criteria for Selecting Libraries ................................................................................................ 3
Pure Rust ................................................................................................................................. 4
Maturity ................................................................................................................................... 4
Popularity ................................................................................................................................ 5
1.4 How to Use This Book ............................................................................................................. 5
Chapters Overview .................................................................................................................. 5
1.5 Source Code ............................................................................................................................ 7
1.6 Topics Not Covered.................................................................................................................. 8
Chapter 2: Building a Command-line Program �½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½ 9
2.1 What Are You Building? ......................................................................................................... 10
2.2 Creating a Binary Project ...................................................................................................... 11
2.3 Reading Command-line Arguments with
std::env::args
................................................ 12
2.4 Handling Complex Arguments with
Clap..............................................................................
13
2.5 Adding Binary Flags .............................................................................................................. 17
2.6 Printing to STDERR................................................................................................................ 18
2.7 Printing with Color ................................................................................................................ 19
2.8 Reading the Cat Picture from a File ...................................................................................... 21
2.9 Handling Errors ..................................................................................................................... 24
iii
Table of ConTenTs
2.10 Piping to Other Commands ................................................................................................. 27
Piping to STDOUT Without Color ............................................................................................ 28
Accepting STDIN .................................................................................................................... 29
2.11 Integration Testing .............................................................................................................. 30
2.12 Publishing and Distributing the Program ............................................................................ 34
Install from Source ................................................................................................................ 34
Publish to crates.io ................................................................................................................ 35
Building Binaries for Distribution........................................................................................... 36
2.13 Conclusion .......................................................................................................................... 38
Chapter 3: Creating Graphical User Interfaces (GUIs)�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½�½ 39
3.1 What Are You Building? ......................................................................................................... 40
3.2 Building a Text-based User Interface .................................................................................... 41
3.3 Showing a Dialog Box ........................................................................................................... 43
3.4 Handling Simple Keyboard Inputs ......................................................................................... 45
3.5 Adding a Dialog ..................................................................................................................... 46
3.6 Multi-step Dialogs ................................................................................................................. 47
3.7 Reading User Input................................................................................................................ 50
3.8 Moving to Graphical User Interfaces (GUIs)........................................................................... 52
3.9 Creating a Window ................................................................................................................ 53
3.10 Displaying an Image............................................................................................................ 55
3.11 Using Glade to Design the UI ............................................................................................... 58
3.12 Accepting Inputs and Button Clicks .................................................................................... 68
3.13 Reading a
gtk::Switch
.................................................................................................... 72
3.14 Alternatives ......................................................................................................................... 75
3.15 Conclusion .......................................................................................................................... 77
iv

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