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Variables

As with all programming languages, we need a way to store information within our application. This information can be anything and, as with every other language, it's stored in a variable. However, unlike every other language, Rust does not store data in the same way as (say) C does.

To that end, in this chapter we will do the following:

Understand variable mutability
See how Rust stores information in a variable, and the types of variable available
See how Rust deals with vector variable types
Understand how Rust can and cannot manipulate variables
See how Rust can pass variables
Take a look at how Rust stores a variable internally

Key benefits

Get started with the language to build scalable and high performance applications

This book will help C#/C++ developers gain better performance and memory management

Discover the power of Rust when developing concurrent applications for large and scalable software

Description

Rust is a highly concurrent and high performance language that focuses on safety and speed, memory management, and writing clean code. It also guarantees thread safety, and its aim is to improve the performance of existing applications. Its potential is shown by the fact that it has been backed by Mozilla to solve the critical problem of concurrency. Learning Rust will teach you to build concurrent, fast, and robust applications. From learning the basic syntax to writing complex functions, this book will is your one stop guide to get up to speed with the fundamentals of Rust programming. We will cover the essentials of the language, including variables, procedures, output, compiling, installing, and memory handling. You will learn how to write object-oriented code, work with generics, conduct pattern matching, and build macros. You will get to know how to communicate with users and other services, as well as getting to grips with generics, scoping, and more advanced conditions. You will also discover how to extend the compilation unit in Rust. By the end of this book, you will be able to create a complex application in Rust to move forward with.

Who is this book for?

The book is for absolute beginners to Rust, who want to build high performance, concurrent applications for their projects. It is suitable for developers who have a basic knowledge of programming and developers who are using the C#/C++ language to write their applications. No knowledge of Rust is expected.

What you will learn

Set up Rust for Windows, Linux, and OS X

Write effective code using Rust

Expand your Rust applications using libraries

Interface existing non-Rust libraries with your Rust applications

Use the standard library within your applications

Understand memory management within Rust and speed efficiency when passing variables

Create more complex data types

Study concurrency in Rust with multi-threaded applications and sync threading techniques to improve the performance of an application problem

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