Rust
https://doc.rust-lang.org/book/
Module
It's dangerous to go alone, pub mod use this.rs
When you use mod in your crate root (
src/main.rs), it references a file in the same directory (i.e.src/<name>.rs).
When you use mod in a non-root file (like
src/joke.rs), it references a file in a directory with that name (i.e.src/joke/<name>.rs).
Putting a
mod.rsfile in the directory you want to expose