pub fn iter(&self) -> Iter<T, D> {
        Iter {
            path: self.root.iter().collect(),
        }
    }
/// Returns a chronological iterator of the schedule tree.
Returns a chronological iterator of the schedule tree.
Returns a chronological iterator of the schedule tree .
pub fn iter(&self) -> Iter<T, D> {
        Iter {
            path: self.root.iter().collect(),
        }
    }
pub fn iter ( & self ) -> Iter < T , D > { Iter { path : self . root . iter ( ) . collect ( ) , } }
Returns a chronological iterator of the schedule tree.
Returns a chronological iterator of the schedule tree .
&self
&self