# actix-derive [![Build Status](https://travis-ci.org/actix/actix-derive.svg?branch=master)](https://travis-ci.org/actix/actix-derive) [![crates.io](http://meritbadge.herokuapp.com/actix-derive)](https://crates.io/crates/actix-derive)
Actix is a rust actor framework.
* [API Documentation (Development)](http://actix.github.io/actix/actix/)
* [API Documentation (Releases)](https://docs.rs/actix/)
* Cargo package: [actix](https://crates.io/crates/actix)
---
Actix is licensed under the [Apache-2.0 license](http://opensource.org/licenses/APACHE-2.0).
## Features
* `actix-derive` adds support for Rust Custom Derive / Macros 1.1 to `actix`
## Usage
```rust
#[macro_use] extern crate actix_derive;
use std::io::Error;
#[derive(Message)]
#[rtype(result="Result<usize, Error>")]
struct Sum(usize, usize);
fn main() {}
```
This code expands into following code:
```rust
extern crate actix;
use std::io::Error;
use actix::Message;
struct Sum(usize, Error);
impl Message for Sum {
type Result = Result<usize, Error>;
}
fn main() {}
```
## License
This project is licensed under either of
* Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
http://www.apache.org/licenses/LICENSE-2.0)
* MIT license ([LICENSE-MIT](LICENSE-MIT) or
http://opensource.org/licenses/MIT)
at your option.