Type Alias FxHashMap 

pub type FxHashMap<K, V> = HashMap<K, V, BuildHasherDefault<FxHasher>>;

A HashMap using FxHasher instead of the default SipHash.

Much faster for the small integer keys (node indices, (usize, usize) edges) the mesh code hashes in tight loops.

Aliased Type

pub struct FxHashMap<K, V> { /* private fields */ }