gistfile1.txt

#[deriving(Clone, Eq)]
struct Node<T> {
  v: T,
  next: @mut Option<Node<T>>
}

#[deriving(Clone, Eq)]
struct List<T> {
  priv head: @mut Option<Node<T>>
}

impl<T: Clone + 'static> List <T>{
  pub fn new() -> List<T> {
    let nl = List { head: @mut None };
    nl
  }
  pub fn push(&mut self, vv: T) {
    self.head = match *self.head {
      Some(ref mut hd) => @mut Some(Node { v: vv.clone(), next: @mut Some(hd.clone()) }),
      None => @mut Some(Node { v: vv.clone(), next: @mut None })
    };
  }
}