This crate provides a multiset implementation for rust.

A mset, multiset, or bag is a set that allows multiple occurances of an element. It supports many basic set operations, e.g. membership test, union, intersection, and difference.

• Documentation
• Release Notes

Add this to your Cargo.toml:

[dependencies]
mset = "0.1.1"

Now, you can use mset:

extern crate mset;

Licensed under either of

• Apache License, Version 2.0 (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.