| Copyright 2012-2016 The Rust Project Developers. | |
| Copyright 2016-2021 Frank Denis. | |
| Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
| http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
| <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
| option. |