A recent version of Rust is necessary to run the examples provided:
https://www.rust-lang.org/en-US/install.html
This chapter's code is available on GitHub:
https://github.com/PacktPublishing/Hands-On-Functional-Programming-in-RUST
Specific installation and build instructions are also included in each chapter's README.md file.