Exceptions represent a special case in many programs: they have their own execution path and the program can jump into this path any time. Is this ideal, though? This depends on the size of the try block (or whatever the name); this might cover several statements and debugging a runtime exception stops being fun quickly. A better way to achieve safe error handling could be to integrate errors in the results of a function call—a practice that can already be seen in C functions where the parameters do the data transfer and the return code indicates success/failure. Newer, more functional paradigms suggest something akin to the Result type in Rust—which comes with functions to elegantly deal with the various outcomes. This makes the errors an expected outcome of a function and enables smooth error handling without additional if conditions for...
Rust Programming Cookbook
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Rust Programming Cookbook
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Overview of this book
Rust 2018, Rust's first major milestone since version 1.0, brings more advancement in the Rust language. The Rust Programming Cookbook is a practical guide to help you overcome challenges when writing Rust code.
This Rust book covers recipes for configuring Rust for different environments and architectural designs, and provides solutions to practical problems. It will also take you through Rust's core concepts, enabling you to create efficient, high-performance applications that use features such as zero-cost abstractions and improved memory management. As you progress, you'll delve into more advanced topics, including channels and actors, for building scalable, production-grade applications, and even get to grips with error handling, macros, and modularization to write maintainable code. You will then learn how to overcome common roadblocks when using Rust for systems programming, IoT, web development, and network programming. Finally, you'll discover what Rust 2018 has to offer for embedded programmers.
By the end of the book, you'll have learned how to build fast and safe applications and services using Rust.
Table of Contents (12 chapters)
Preface
Free Chapter
Starting Off with Rust
Going Further with Advanced Rust
Managing Projects with Cargo
Fearless Concurrency
Handling Errors and Other Results
Expressing Yourself with Macros
Integrating Rust with Other Languages
Safe Programming for the Web
Systems Programming Made Easy
Getting Practical with Rust
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