Dr-Emann

/*
Everything is in a single crate. The directory structure is as follows:

.
├── b
│   └── mod.rs
├── c
│   └── mod.rs
├── d
│   └── mod.rs

Dr-Emann

//--------------- main.rs ---------------------

use a::b;

mod a;
mod c;

fn main() {
  println!("{}", a::foo);
  c::foobar();

Dr-Emann

// you can just use
// `pub mod b;`
// if this file is a/mod.rs and
// if you have a file named a/b.rs or a/b/mod.rs
// that contains the contents inside the curly brackets
pub mod b {
  pub static bar: f64 = 1.1;
}

pub static foo: int = 40;