1use hashlink::{LinkedHashMap, LinkedHashSet}; 2pub use rustc_hash::{FxBuildHasher as Hasher, FxHashMap as HashMap, FxHashSet as HashSet}; 3pub type OrderedMap<K, V> = LinkedHashMap<K, V, Hasher>; 4pub type OrderedSet<K> = LinkedHashSet<K, Hasher>;