book/second-edition/src/ch12-03-improving-error-handling-and-modularity.md

Refactoring to Improve Modularity and Error Handling

The second edition of the book is no longer distributed with Rust's documentation.

If you came here via a link or web search, you may want to check out the current version of the book instead.

If you have an internet connection, you can find a copy distributed with Rust 1.30.