Book Image

Rust Quick Start Guide

By : Daniel Arbuckle
Book Image

Rust Quick Start Guide

By: Daniel Arbuckle

Overview of this book

Rust is an emerging programming language applicable to areas such as embedded programming, network programming, system programming, and web development. This book will take you from the basics of Rust to a point where your code compiles and does what you intend it to do! This book starts with an introduction to Rust and how to get set for programming, including the rustup and cargo tools for managing a Rust installation and development work?ow. Then you'll learn about the fundamentals of structuring a Rust program, such as functions, mutability, data structures, implementing behavior for types, and many more. You will also learn about concepts that Rust handles differently from most other languages. After understanding the Basics of Rust programming, you will learn about the core ideas, such as variable ownership, scope, lifetime, and borrowing. After these key ideas, you will explore making decisions in Rust based on data types by learning about match and if let expressions. After that, you'll work with different data types in Rust, and learn about memory management and smart pointers.
Table of Contents (10 chapters)


The most straightforward of the standard smart pointers is the Box. A Box does what we've been discussing so far: it stores a data value on the heap, while ensuring that it still follows the lifetime rules as if it were actually part of the Box value itself.

Here's an example. First, we'll create a data type for the data we want to store on the heap:

pub struct Person {
pub name: String,
pub validated: bool,

Now, creating and using the Box itself is easy:

let jack = Box::new(Person { name: "Jack".to_string(), validated: true });
let x = &;
println!("The person in the box is {}", x);

The first line creates a Box. We have to give it a data value to store, because one thing Rust is not okay with is an empty Box, so we initialize a Person object and pass it to the function, which creates a new Box to be used as its internal...