Rust - LinkedList and DoubleLinkedList

gistfile1.txt

mod LinkedList {
    type Link<T> = Option<Box<Node<T>>>;
    struct Node<T> {
        value: T,
        next: Link<T>,
    }
}

mod DoubleLinkedList {
    use core::cell::RefCell;
    use std::rc::Rc;
    type Link<T> = Option<Rc<RefCell<Node<T>>>>;
    struct Node<T> {
        value: T,
        prev: Link<T>,
        next: Link<T>,
    }
}

fn main() {
    println!("It compiles!");
}