Rust oddness

gistfile1.txt

extern crate uuid;

use uuid::Uuid;
use std::fmt;

struct BlahLF {
  id: Uuid
}

struct StateLF;

impl BlahLF {
  fn new() -> ~BlahLF {
      let id = Uuid::new_v4();
      println!("Created: {}", id);
      return ~BlahLF { id: id };
  }
}

impl fmt::Show for BlahLF {
  fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
    return write!(f.buf, "<BlahLF:: {}>", self.id);
  }
}

impl Drop for BlahLF {
  fn drop(&mut self) {
    //println!("Dropped element: {}", self);
  }
}

#[test]
fn test_lifetime_scope() {
  let x = BlahLF::new();
  let mut y = BlahLF::new();
  let mut z = &BlahLF::new();
  println!("{}", x);
  println!("{}", y);
  println!("{}", z);
}