pub fn maximum_bipartite_matching<N, E, Ix>(
graph: &Graph<N, E, Ix>,
coloring: &HashMap<N, u8>,
) -> BipartiteMatching<N>pub fn maximum_bipartite_matching<N, E, Ix>(
graph: &Graph<N, E, Ix>,
coloring: &HashMap<N, u8>,
) -> BipartiteMatching<N>