bar.rs

#[link(name = "bar", vers = "0.0", author = "otters")];

pub fn foobar() {
  io::println("baz");
}

console

11:07pm syrup:~% rustc --lib bar.rs
11:07pm syrup:~% rustc -L . foo.rs
11:07pm syrup:~% ./foo
baz

foo.rs

extern mod bar;

fn main() {
  bar::foobar();
}