# tokio-core Core I/O and event loop abstraction for asynchronous I/O in Rust built on `futures` and `mio`. [![Build Status](https://travis-ci.org/tokio-rs/tokio-core.svg?branch=master)](https://travis-ci.org/tokio-rs/tokio-core) [![Build status](https://ci.appveyor.com/api/projects/status/caxmxbg8181kk9mq/branch/master?svg=true)](https://ci.appveyor.com/project/carllerche/tokio-core) [Documentation](https://docs.rs/tokio-core) [Tutorial](https://tokio.rs/) ## Usage First, add this to your `Cargo.toml`: ```toml [dependencies] tokio-core = "0.1" ``` Next, add this to your crate: ```rust extern crate tokio; ``` You can find extensive documentation and examples about how to use this crate online at [https://tokio.rs](https://tokio.rs) as well as the `examples` folder in this repository. The [API documentation](https://docs.rs/tokio-core) is also a great place to get started for the nitty-gritty. # 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. ### Contribution Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in tokio by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.