You might have looked at #[derive(Debug)] and assumed it's some weird compiler magic. It is not. It is a so-called procedural macro, that is, a macro that doesn't simply expand at compile time but instead runs at compile time. This way, you can inject code into the actual compilation process. The most useful application for this is creating custom derives, with which you can generate new code based on the analysis of existing code.
Rust Standard Library Cookbook
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Rust Standard Library Cookbook
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Overview of this book
Mozilla’s Rust is gaining much attention with amazing features and a powerful library. This book will take you through varied recipes to teach you how to leverage the Standard library to implement efficient solutions.
The book begins with a brief look at the basic modules of the Standard library and collections. From here, the recipes will cover packages that support file/directory handling and interaction through parsing. You will learn about packages related to advanced data structures, error handling, and networking. You will also learn to work with futures and experimental nightly features. The book also covers the most relevant external crates in Rust.
By the end of the book, you will be proficient at using the Rust Standard library.
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Current Title:
Rust Standard Library Cookbook
Table of Contents (12 chapters)
Preface
Free Chapter
Learning the Basics
Working with Collections
Handling Files and the Filesystem
Serialization
Advanced Data Structures
Handling Errors
Parallelism and Rayon
Working with Futures
Networking
Using Experimental Nightly Features
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