pub fn with_capacity(nodes: usize, edges: usize) -> Self {
        Graph {
            nodes: Vec::with_capacity(nodes),
            edges: Vec::with_capacity(edges),
        }
    }
/// Create a new `Graph` with estimated capacity.
Create a new `Graph` with estimated capacity.
Create a new ` Graph ` with estimated capacity .
pub fn with_capacity(nodes: usize, edges: usize) -> Self {
        Graph {
            nodes: Vec::with_capacity(nodes),
            edges: Vec::with_capacity(edges),
        }
    }
pub fn with_capacity ( nodes : usize , edges : usize ) -> Self { Graph { nodes : Vec :: with_capacity ( nodes ) , edges : Vec :: with_capacity ( edges ) , } }
Create a new `Graph` with estimated capacity.
Create a new ` Graph ` with estimated capacity .
nodes
usize
edges
usize