structs

https://www.youtube.com/watch?v=n3bPhdiJm9I&list=PLai5B987bZ9CoVR-QEIN9foz4QCJ0H2Y8&index=6

OPTIONS_ENUMS

• Coin example!

module system

Need to learn more about how to declare files and modules. Currently making tons of new projects, rather just create a file, then add it as a module in the program's main.rs.

Create a binary applications dir. in your program. src/bin/guessing_game.rs src/bin/calculate_altitude.rs