//! Collection type aliases.
//!
//! This module provides convenient aliases for the hash-based collections
//! used throughout the journal crates. We use `rustc_hash::FxHashMap` and
//! `FxHashSet` for their performance characteristics.
pub type HashMap<K, V> = FxHashMap;
pub type HashSet<T> = FxHashSet;
pub type VecDeque<T> = VecDeque;