For this exercise check out the sections:
- [Error Handling](https://doc.rust-lang.org/book/2018-edition/ch09-02-recoverable-errors-with-result.html) 
- [Generics](https://doc.rust-lang.org/book/2018-edition/ch10-01-syntax.html) 

of the Rust Book.
For this exercise check out the sections:
- [Error Handling](https://doc.rust-lang.org/book/ch09-02-recoverable-errors-with-result.html) 
- [Generics](https://doc.rust-lang.org/book/ch10-01-syntax.html) 

of the Rust Book.

Fix links by deleting book version
Fix links by deleting book version