A short note on some of the key concepts of rust.
File names with more than one word should be separated by an underscore.
main function is the first code that runs in every executable rust program.
To compile, run rustc file_name.rs and then ./file_name to execute.
https://doc.rust-lang.org/book/ch01-03-hello-cargo.html
Create new project with cargo new project_name
Build with cargo build. To build and run, cargo run.
cargo check for fast checking