Let people know what your project can do specifically. Provide context and add a link to any reference visitors might be unfamiliar with. A list of Features or a Background subsection can also be added here. If there are alternatives to your project, this is a good place to list differentiating factors.
``` use ::physical_quantity::*;
let inch: Unit
assert_eq!(inch2mm, 25.4); ```
This package is in the very early stage.