pub fn adj_list(&self, u: usize) -> AdjListIterator {
        AdjListIterator {
            graph: self,
            next_e: self.first[u],
        }
    }
/// Gets vertex u's adjacency list.
Gets vertex u's adjacency list.
Gets vertex u ' s adjacency list .
pub fn adj_list(&self, u: usize) -> AdjListIterator {
        AdjListIterator {
            graph: self,
            next_e: self.first[u],
        }
    }
pub fn adj_list ( & self , u : usize ) -> AdjListIterator { AdjListIterator { graph : self , next_e : self . first [ u ] , } }
Gets vertex u's adjacency list.
Gets vertex u ' s adjacency list .
&self
u
usize
&self
u
usize