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clean readme (#331)
* clean readme Signed-off-by: Yoshua Wuyts <yoshuawuyts@gmail.com> * add back features Signed-off-by: Yoshua Wuyts <yoshuawuyts@gmail.com> * Update README.md Co-Authored-By: Stjepan Glavina <stjepang@gmail.com>
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‎README.md‎

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# Async version of the Rust standard library
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[![Build Status](https://travis-ci.com/async-rs/async-std.svg?branch=master)](https://travis-ci.com/async-rs/async-std)
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[![License](https://img.shields.io/badge/license-MIT%2FApache--2.0-blue.svg)](https://github.com/async-rs/async-std)
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[![Cargo](https://img.shields.io/crates/v/async-std.svg)](https://crates.io/crates/async-std)
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[![Documentation](https://docs.rs/async-std/badge.svg)](https://docs.rs/async-std)
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[![chat](https://img.shields.io/discord/598880689856970762.svg?logo=discord)](https://discord.gg/JvZeVNe)
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This crate provides an async version of [`std`]. It provides all the interfaces you
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are used to, but in an async version and ready for Rust's `async`/`await` syntax.
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<h1 align="center">async-std</h1>
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<div align="center">
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<strong>
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Async version of the Rust standard library
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</strong>
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</div>
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<br />
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<div align="center">
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<!-- Crates version -->
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<a href="https://crates.io/crates/async-std">
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<img src="https://img.shields.io/crates/v/async-std.svg?style=flat-square"
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alt="Crates.io version" />
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</a>
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<!-- Downloads -->
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<a href="https://crates.io/crates/async-std">
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<img src="https://img.shields.io/crates/d/async-std.svg?style=flat-square"
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alt="Download" />
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</a>
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<!-- docs.rs docs -->
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<a href="https://docs.rs/async-std">
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<img src="https://img.shields.io/badge/docs-latest-blue.svg?style=flat-square"
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alt="docs.rs docs" />
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</a>
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<a href="https://discord.gg/JvZeVNe">
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<img src="https://img.shields.io/discord/598880689856970762.svg?logo=discord&style=flat-square"
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alt="chat" />
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</a>
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</div>
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<div align="center">
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<h3>
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<a href="https://docs.rs/async-std">
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API Docs
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</a>
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<span> | </span>
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<a href="https://book.async.rs">
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Book
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</a>
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<span> | </span>
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<a href="https://github.com/async-rs/async-std/releases">
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Releases
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</a>
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<span> | </span>
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<a href="https://async.rs/contribute">
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Contributing
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</a>
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</h3>
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</div>
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<br/>
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This crate provides an async version of [`std`]. It provides all the interfaces
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you are used to, but in an async version and ready for Rust's `async`/`await`
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syntax.
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[`std`]: https://doc.rust-lang.org/std/index.html
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## Documentation
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## Features
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`async-std` comes with [extensive API documentation][docs] and a [book][book].
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- __Modern:__ Built from the ground up for `std::future` and `async/await` with
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blazing fast compilation times.
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- __Fast:__ Our robust allocator and threadpool designs provide ultra-high
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throughput with predictably low latency.
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- __Intuitive:__ Complete parity with the stdlib means you only need to learn
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APIs once.
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- __Clear:__ [Detailed documentation][docs] and [accessible guides][book] mean
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using async Rust was never easier.
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[docs]: https://docs.rs/async-std
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[book]: https://book.async.rs
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## Quickstart
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Add the following lines to your `Cargo.toml`:
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```toml
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[dependencies]
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async-std = "0.99"
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```
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Or use [cargo add][cargo-add] if you have it installed:
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```sh
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$ cargo add async-std
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```
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[cargo-add]: https://github.com/killercup/cargo-edit
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## Hello world
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## Examples
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```rust
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use async_std::task;
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}
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```
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## Low-Friction Sockets with Built-In Timeouts
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```rust
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use std::time::Duration;
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use async_std::{
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prelude::*,
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task,
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io,
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net::TcpStream,
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};
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async fn get() -> io::Result<Vec<u8>> {
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let mut stream = TcpStream::connect("example.com:80").await?;
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stream.write_all(b"GET /index.html HTTP/1.0\r\n\r\n").await?;
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let mut buf = vec![];
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io::timeout(Duration::from_secs(5), async {
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stream.read_to_end(&mut buf).await?;
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Ok(buf)
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}).await
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}
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fn main() {
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task::block_on(async {
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let raw_response = get().await.expect("request");
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let response = String::from_utf8(raw_response)
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.expect("utf8 conversion");
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println!("received: {}", response);
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});
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}
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```
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## Features
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`async-std` is strongly commited to following semver. This means your code won't
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break unless _you_ decide to upgrade.
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However every now and then we come up with something that we think will work
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_great_ for `async-std`, and we want to provide a sneak-peek so you can try it
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out. This is what we call _"unstable"_ features. You can try out the unstable
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features by enabling the `unstable` feature in your `Cargo.toml` file:
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```toml
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[dependencies.async-std]
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version = "0.99"
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features = ["unstable"]
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```
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Just be careful when using these features, as they may change between
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versions.
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More examples, including networking and file access, can be found in our
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[`examples`] directory.
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## Take a look around
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[`examples`]: https://github.com/async-rs/async-std/tree/master/examples
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Clone the repo:
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## Philosophy
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```
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git clone git@github.com:async-rs/async-std.git && cd async-std
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```
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We believe Async Rust should be as easy to pick up as Sync Rust. We also believe
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that the best API is the one you already know. And finally, we believe that
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providing an asynchronous counterpart to the standard library is the best way
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stdlib provides a reliable basis for both performance and productivity.
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Generate docs:
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Async-std is the embodiment of that vision. It combines single-allocation task
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creation, with an adaptive lock-free executor, threadpool and network driver to
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create a smooth system that processes work at a high pace with low latency,
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using Rust's familiar stdlib API.
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```
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cargo +nightly doc --features docs --open
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```
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## Installation
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Check out the [examples](examples). To run an example:
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With [cargo add][cargo-add] installed run:
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```sh
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$ cargo add async-std
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```
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cargo +nightly run --example hello-world
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```
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## Contributing
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See [our contribution document][contribution].
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We also provide a set of "unstable" features with async-std. See the [features
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documentation] on how to enable them.
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[contribution]: https://async.rs/contribute
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[cargo-add]: https://github.com/killercup/cargo-edit
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[features documentation]: https://docs.rs/async-std/#features
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## License
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Licensed under either of
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* Apache License, Version 2.0 ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
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* MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
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at your option.
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<sup>
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Licensed under either of <a href="LICENSE-APACHE">Apache License, Version
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2.0</a> or <a href="LICENSE-MIT">MIT license</a> at your option.
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</sup>
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#### Contribution
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<br/>
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<sub>
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Unless you explicitly state otherwise, any contribution intentionally submitted
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for inclusion in the work by you, as defined in the Apache-2.0 license, shall be
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dual licensed as above, without any additional terms or conditions.
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for inclusion in this crate by you, as defined in the Apache-2.0 license, shall
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be dual licensed as above, without any additional terms or conditions.
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</sub>

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