The solution for exercise 7.1 - https://github.com/mainmatter/100-exercises-to-learn-rust/blob/solutions/exercises/07_threads/01_threads/src/lib.rs - seem to require the use of "move", but "move" hasn't been explained in the corresponding chapter (and making a cursory search in the repo, it doesn't seem to be ever explained, but I may be wrong).
The solution for exercise 7.1 - https://github.com/mainmatter/100-exercises-to-learn-rust/blob/solutions/exercises/07_threads/01_threads/src/lib.rs - seem to require the use of "move", but "move" hasn't been explained in the corresponding chapter (and making a cursory search in the repo, it doesn't seem to be ever explained, but I may be wrong).