//! HAMT implementation whose sub-trees can be shared over threads.
//!
//! Hash-Array Mapped Trie (HAMT) is a data structure popular as a map (a.k.a.
//! associative array or dictionary) or set. Its immutable variant is adopted
//! widely by functional programming languages like Scala and Clojure to
//! implement immutable and memory-efficient associative arrays and sets.
extern crate rand;
extern crate test;
pub use Map;