# Luther derive
**Luther is an embedded lexer generator for stable Rust.**
This crate is the proc macro implementation for deriving the Lexer trait from
the [Luther] crate. See the crate level documentation for the options recognized
by the proc macro. See the [Luther] crate for an example of the usage of this crate.
[Luther]:https://crates.io/crates/luther
## License
Luther is licensed under either of
* Apache License, Version 2.0, ([LICENSE-APACHE-2.0](LICENSE-APACHE-2.0) or
http://www.apache.org/licenses/LICENSE-2.0)
* MIT license ([LICENSE-MIT](LICENSE-MIT) or
http://opensource.org/licenses/MIT)
at your option.
## Contribution
Unless you explicitly state otherwise, any contribution intentionally submitted
for inclusion in Luther by you, as defined in the Apache-2.0 license, shall be
dual licensed as above, without any additional terms or conditions.