It's actual a good thing
- Error Handling
Handle recoverable and unrecoverable errors in Rust
- Packages, Crates and Modules
Organize growing projects with packages, crates and modules
- Iterators and Closures
Functional programming with iterators and closures
- Cargo and Crates.io
Package management with Cargo and publishing to crates.io
- Common Concepts
About rust base and common concepts