Function cycle

tests/test_shortest_paths.rs:46–51

()

#[test]
fn cycle() {
    let i = TINY_EWD;
    let graph = create_graph(i);
    let cycle = EdgeWeightedDirectedCycle::from(graph.as_ref());
    assert!(cycle.check().is_ok());
}

#[allow(non_snake_case)]
#[test]