pub fn vertices_visited(&self) -> VerticesVisited {
        VerticesVisited {
            path: &self,
            coming_from: self.0.len() + 1,
            vertex: 0,
        }
    }
/// Vertices visited by the path ending in 0.
Vertices visited by the path ending in 0.
Vertices visited by the path ending in 0 .
pub fn vertices_visited(&self) -> VerticesVisited {
        VerticesVisited {
            path: &self,
            coming_from: self.0.len() + 1,
            vertex: 0,
        }
    }
pub fn vertices_visited ( & self ) -> VerticesVisited { VerticesVisited { path : & self , coming_from : self . 0 . len ( ) + 1 , vertex : 0 , } }
Vertices visited by the path ending in 0.
Vertices visited by the path ending in 0 .
&self
&self