Carlo Milanesi - Beginning Rust: Get Started with Rust 2021 Edition
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- Book:Beginning Rust: Get Started with Rust 2021 Edition
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Beginning Rust: Get Started with Rust 2021 Edition: summary, description and annotation
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Learn to program with Rust 2021 Edition, in an easy, step-by-step manner on Unix, the Linux shell, macOS, and the Windows command line. As you read this book, youll build on the knowledge you gained in previous chapters and see what Rust has to offer.
Beginning Rust starts with the basics of Rust, including how to name objects, control execution flow, and handle primitive types. Youll see how to do arithmetic, allocate memory, use iterators, and handle input/output. Once you have mastered these core skills, youll work on handling errors and using the object-oriented features of Rust to build robust Rust applications in no time.
Only a basic knowledge of programming in C or C++ and familiarity with a command console are required. After reading this book, youll be ready to build simple Rust applications.
What You Will Learn
- Get started programming with Rust
- Understand heterogeneous data structures and data sequences
- Define functions, generic functions, structs, and more
- Work with closures, changeable strings, ranges and slices Use traits and learn about lifetimes
Who This Book Is For
Those who are new to Rust and who have at least some prior experience with programming in general: some C/C++ is recommended particularly.Carlo Milanesi: author's other books
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This Apress imprint is published by the registered company APress Media, LLC part of Springer Nature.
The registered company address is: 1 New York Plaza, New York, NY 10004, U.S.A.
This book is dedicated to my mother and to my fathers memory. I owe them my interest in learning and explaining things.
Welcome to Beginning Rust. This book teaches beginners how to program with the exciting Rust programming language in an easy, step-by-step manner. It is a fully revised version of the 2018 book, with several additions, expanded clarifications for the most hard-to-master concepts, and removal of redundant sections. It utilizes the 2021 edition of the Rust language, developed by the Rust Team community.
Only a basic knowledge of programming is required. Rust is mainly targeted for systems programming tasks, a sector currently dominated by the C and C++ languages. So, to ease the transition from such languages, the text contains many comparisons with C and C++, and even code examples in those languages. Yet, this book can also be enjoyed by people who are only familiar with other programming languages, like Java or C#.
Knowledge of command-line environments is assumed, like a Linux shell, macOS Terminal, or Windows Command Prompt, because all the examples contained in this book need to be compiled and run in such environments.
It is strongly recommended you read the book from beginning to end, without skipping chapters, because every chapter assumes that the reader understands what was explained in previous chapters.
The text presents a lot of code examples, which should be read thoroughly, and possibly compiled and run on your own computer. You can type them, or use the freely available downloaded code.
All of the examples used in this book can be accessed on GitHub at github.com/apress/beginning-rust-2e .
Please note that this book does not cover everything needed to develop professional programs using Rust. It just teaches the concepts of the language, including the most difficult ones. For writing professional software, you will need to download and learn some third-party frameworks and libraries. There are quite a few of them which are of good-to-outstanding quality and freely available.
Any source code or other supplementary material referenced by the author in this book is available to readers on GitHub ( github.com/apress/beginning-rust-2e ). For more detailed information, please visit www.apress.com/source-code .
He authored the book Creative Projects for Rust Programmers, and developed the Rust library https://github.com/carlomilanesi/rs-measures .
works in the role of Senior Enterprise Architect at Honeywell. He is passionate about technology, people, and nature. He believes that through technology and conscientious decision making, each of us has the power to make this world a better place. In his free time, he can be found reading books, playing basketball, and having fun with friends and family.
How to write and run your first program in the Rust language
How to print text and numbers on the terminal
How to write comments in your code
Of course, it does nothing. It just defines an empty function named main. By function we mean a set of instructions that does something, and that has been given a name.
fn is shorthand for function, while main is the name of this function. The round parentheses contain the functions possible arguments; in this case, there are no arguments. To close, the braces contain the possible statements that comprise the body of the function; in this case there are no statements.
When a program written in Rust is run, its main function is executed. If there is no main function, then it isnt a complete program; it may be a library, though. Any Rust library may contain several entry points; instead, any Rust program has just one entry point, and its name must be main .
To run this program, first you must install the Rust toolset . The official Rust toolset can be downloaded for free from the website www.rust-lang.org . Linux, Windows, and macOS platforms are supported. For each platform, there are three versions: stable, beta, and nightly. The stable version is recommended; it is the oldest, but also the most tested one and the one less likely to change. All of these program versions should be used from the command line of a console. After installation, to check which version is installed, type at a command line (with uppercase V ): rustc -V . The code in this book has been checked using version 1.56.0, but probably later versions will be OK too.
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