use disjoint_hash_set::DisjointHashSet;

let mut djhs = DisjointHashSet::new();
djhs.link("hello", "hi");
djhs.link("hello", "👋");
assert!(djhs.is_linked("hi", "👋"));

// `DisjointHashSet` can be built from an iterator of edges
let djhs = vec![("a", "b"), ("a", "c"), ("d", "e"), ("f", "f")]
    .into_iter()
    .collect::<DisjointHashSet<_>>();

// Consume djhs to iterate over each disjoint set
let sets = djhs.sets(); // looks like [{"a", "b", "c"}, {"d", "e"}, {"f"}]
assert_eq!(sets.count(), 3);