rlepidi

use std::sync::arc::UnsafeArc;
use std::cast;
use std::comm::Chan;

pub struct ArcRefCell<T> {
  priv inner: UnsafeArc<T>
}

impl<T: Send> ArcRefCell<T> {
  pub fn new(value: T) -> ArcRefCell<T> {

rlepidi

use framework::entity::Entity;

#[deriving(Eq, ToStr)]
pub struct Entity(uint);

priv struct EntityManager {
  current_id: uint,
  available_entities: ~[Entity],
  entities_added_this_tick: uint
}