💸 Bill

Tiny little billing library.

Example

bash cargo run --example catalogue

``` offer: 0% * 2x Service 8,00€ 16,00€ 0.19% * 8x Water 0,61€ 4,88€ * 4x AppleJuice 1,64€ 6,56€ * 4x OrangeJuice 1,86€ 7,44€

* 40x Sandwich 3,40€ 136,00€

   170,88€
 + 29,43€ (tax)

net 200,31€

... ```

With serialization

bash cargo run --example catalogue --features serialization

json {"items_by_tax":{ "0": { "items":[ {"amount":2.0,"product":{"name":"Service","price":8.0,"tax":"0"}} ] }, "0.19":{ "items": [ {"amount":8.0,"product":{"name":"Water","price":0.61,"tax":"0.19"}}, {"amount":4.0,"product":{"name":"AppleJuice","price":1.64,"tax":"0.19"}}, {"amount":4.0,"product":{"name":"OrangeJuice","price":1.86,"tax":"0.19"}},{"amount":40.0,"product":{"name":"Sandwich","price":3.4,"tax":"0.19"}} ] } }}