1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
pub mod the {
    pub fn machine() -> usize {
        1991
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn it_works() {
        assert_eq!(the::machine(), 1991);
    }
}