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  • Book Overview & Buying Rust Web Programming
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Rust Web Programming

Rust Web Programming - Third Edition

By : Maxwell Flitton
4.3 (3)
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Rust Web Programming

Rust Web Programming

4.3 (3)
By: Maxwell Flitton

Overview of this book

Rust is no longer just for systems programming. This book will show you why this safe and performant language is a crucial up-and-coming option for developing web applications, and get you on your way to building fully functional Rust web apps. You don’t need any experience with Rust to get started, and this new edition also comes with a shallower learning curve. You’ll get hands-on with emerging Rust web frameworks including Actix, Axum, Rocket, and Hyper. You’ll look at injecting Rust into the frontend with WebAssembly and HTTPS configuration with NGINX. Later, you’ll move on to more advanced async topics, exploring TCP and framing, and implementing async systems. As you work through the book, you’ll build a to-do application with authentication using a microservice architecture that compiles into one Rust binary, including the embedding of a frontend JavaScript application in the same binary. The application will have end-to-end atomic testing and a deployment pipeline. By the end of this book, you’ll fully understand the significance of Rust for web development. You’ll also have the confidence to build robust, functional, and scalable Rust web applications from scratch.
Table of Contents (24 chapters)
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22
Other Books You May Enjoy
23
Index

Handling errors in API endpoints

We are at the final hurdle of this chapter, where we want to get rid of the match statement in our API functions for our server. The match statement is a result of us handling an error. As our server grows, we would have to repeat the clunky handling of errors again and again, and there is a risk that we could mishandle the error. To prevent having to manually handle the errors for every API endpoint, we can bake the HTTP responses into our error handling. To do this, we can create an error type that can construct an HTTP response, so we can exploit the ? operator in our web API function, and the server will simply respond with an HTTP response. However, this means that all our Cargo workspaces need to share the same custom error types. This is where a glue module will come in. A glue module is a crate that all other workspaces install. With this glue module, all Cargo workspaces can seamlessly pass the same error type between each other.

Glue...

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Rust Web Programming
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