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Introduction Don't block the event loop! Don't poll in a busy loop! Increase throughput! Use async I/O! Concurrency is not parallelism! You've most likely heard and read claims like these many times before, and maybe, at some point you've thought you understood everything only to find yourself confused a moment later. Especially when you want to understand how it works on a fundamental level. Me t

Futures Explained in 200 Lines of Rust This book aims to explain Futures in Rust using an example driven approach, exploring why they're designed the way they are, and how they work. We'll also take a look at some of the alternatives we have when dealing with concurrency in programming. Going into the level of detail I do in this book is not needed to use futures or async/await in Rust. It's for t