# `signature` crate custom derive support This crate provides proc macros used by the `signature` crate. Not intended to be used directly. See the `signature` crate's documentation for additional details: [Documentation] ## License All crates licensed under either of * [Apache License, Version 2.0](http://www.apache.org/licenses/LICENSE-2.0) * [MIT license](http://opensource.org/licenses/MIT) at your option. ### Contribution Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions. [Documentation]: https://docs.rs/signature/