# `box2d_sys` This crate contains Rust bindings to [**Box2D v3**](https://github.com/erincatto/box2d). This crate implements certain traits for Box2D types, such as `Hash`, `PartialEq`, etc. We add these whenever they are needed for our projects which use this crate. ## License MIT or Apache2 at your option, but note that Box2D itself is licensed under MIT