pub fn tail(&self) -> BTreeSet<usize> {
        let mut tail_nodes = self.nodes.clone();
        tail_nodes.remove(&self.header);
        tail_nodes
    }
/// The set of loop tail nodes
The set of loop tail nodes
The set of loop tail nodes
pub fn tail(&self) -> BTreeSet<usize> {
        let mut tail_nodes = self.nodes.clone();
        tail_nodes.remove(&self.header);
        tail_nodes
    }
pub fn tail ( & self ) -> BTreeSet < usize > { let mut tail_nodes = self . nodes . clone ( ) ; tail_nodes . remove ( & self . header ) ; tail_nodes }
The set of loop tail nodes
The set of loop tail nodes
&self
&self