pub fn iterator(&self) -> EntityIterator {
        EntityIterator {
            active: &self.active,
            added: &self.ent_added,
            curr: 0,
        }
    }
/// Returns a lazy iterator for immutable acces to the entities.
Returns a lazy iterator for immutable acces to the entities.
Returns a lazy iterator for immutable acces to the entities .
pub fn iterator(&self) -> EntityIterator {
        EntityIterator {
            active: &self.active,
            added: &self.ent_added,
            curr: 0,
        }
    }
pub fn iterator ( & self ) -> EntityIterator { EntityIterator { active : & self . active , added : & self . ent_added , curr : 0 , } }
Returns a lazy iterator for immutable acces to the entities.
Returns a lazy iterator for immutable acces to the entities .
&self
&self