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+# Mio – Metal IO
+
+Mio is a lightweight I/O library for Rust with a focus on adding as little
+overhead as possible over the OS abstractions.
+
+[![Crates.io][crates-badge]][crates-url]
+[![MIT licensed][mit-badge]][mit-url]
+[![Build Status][azure-badge]][azure-url]
+[![Build Status][cirrus-badge]][cirrus-url]
+
+[crates-badge]: https://img.shields.io/crates/v/mio.svg
+[crates-url]: https://crates.io/crates/mio
+[mit-badge]: https://img.shields.io/badge/license-MIT-blue.svg
+[mit-url]: LICENSE
+[azure-badge]: https://dev.azure.com/tokio-rs/Tokio/_apis/build/status/tokio-rs.mio?branchName=master
+[azure-url]: https://dev.azure.com/tokio-rs/Tokio/_build/latest?definitionId=2&branchName=master
+[cirrus-badge]: https://api.cirrus-ci.com/github/carllerche/mio.svg
+[cirrus-url]: https://cirrus-ci.com/github/carllerche/mio
+
+**API documentation**
+
+* [master](https://tokio-rs.github.io/mio/doc/mio/)
+* [v0.6](https://docs.rs/mio/^0.6)
+
+This is a low level library, if you are looking for something easier to get
+started with, see [Tokio](https://tokio.rs).
+
+## Usage
+
+To use `mio`, first add this to your `Cargo.toml`:
+
+```toml
+[dependencies]
+mio = "0.6"
+```
+
+Then, add this to your crate root:
+
+```rust
+extern crate mio;
+```
+
+## Features
+
+* Non-blocking TCP, UDP.
+* I/O event notification queue backed by epoll, kqueue, and IOCP.
+* Zero allocations at runtime
+* Platform specific extensions.
+
+## Non-goals
+
+The following are specifically omitted from Mio and are left to the user
+or higher-level libraries.
+
+* File operations
+* Thread pools / multi-threaded event loop
+* Timers
+
+## Platforms
+
+Currently supported platforms:
+
+* Linux
+* OS X
+* Windows
+* FreeBSD
+* NetBSD
+* Solaris
+* Android
+* iOS
+
+There are potentially others. If you find that Mio works on another
+platform, submit a PR to update the list!
+
+## Community
+
+A group of Mio users hang out in the #mio channel on the Mozilla IRC
+server (irc.mozilla.org). This can be a good place to go for questions.
+
+## Contributing
+
+Interested in getting involved? We would love to help you! For simple
+bug fixes, just submit a PR with the fix and we can discuss the fix
+directly in the PR. If the fix is more complex, start with an issue.
+
+If you want to propose an API change, create an issue to start a
+discussion with the community. Also, feel free to talk with us in the
+IRC channel.
+
+Finally, be kind. We support the [Rust Code of Conduct](https://www.rust-lang.org/conduct.html).