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Rust High Performance

Rust High Performance

By : Iban Eguia Moraza
3 (3)
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Rust High Performance

Rust High Performance

3 (3)
By: Iban Eguia Moraza

Overview of this book

This book teaches you how to optimize the performance of your Rust code so that it is at the same level as languages such as C/C++. You'll understand and fi x common pitfalls, learn how to improve your productivity by using metaprogramming, and speed up your code. You will master the features of the language, which will make you stand out, and use them to greatly improve the efficiency of your algorithms. The book begins with an introduction to help you identify bottlenecks when programming in Rust. We highlight common performance pitfalls, along with strategies to detect and resolve these issues early. We move on to mastering Rust's type system, which will enable us to optimize both performance and safety at compile time. You will learn how to effectively manage memory in Rust, mastering the borrow checker. We move on to measuring performance and you will see how this affects the way you write code. Moving forward, you will perform metaprogramming in Rust to boost the performance of your code and your productivity. Finally, you will learn parallel programming in Rust, which enables efficient and faster execution by using multithreading and asynchronous programming.
Table of Contents (13 chapters)
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Creating procedural macros


We have seen what standard macros can do for our crate. We can create complex compile-time code that can both reduce the verbosity of our code, making it more maintainable, and improve the performance of the final executable by performing operations at compile time instead of at runtime.

Nevertheless, standard macros can only do so much. With them, you can only modify some of the Rust grammar token processing, but you are still bound to what the macro_rules!{} macro can understand. This is where procedural macros, also known as macros 1.1 or custom derives, come into play.

With procedural macros, you can create libraries that will be called by the compiler when deriving their name in some structure or enumeration. You can effectively create a custom trait, derive.

Implementing a simple trait

Let's see how this can be done by implementing a simple trait for a structure or enumeration. The trait we will be implementing is the following:

trait TypeName {
    fn type_name...
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Rust High Performance
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