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//! A "prelude" for users of the `tokio` crate.
//!
//! This prelude is similar to the standard library's prelude in that you'll
//! almost always want to import its entire contents, but unlike the standard
//! library's prelude you'll have to do so manually:
//!
//! ```
//! use tokio::prelude::*;
//! ```
//!
//! The prelude may grow over time as additional items see ubiquitous use.

#[cfg(feature = "io")]
pub use tokio_io::{
    AsyncRead,
    AsyncWrite,
};

pub use util::{
    FutureExt,
    StreamExt,
};

pub use ::std::io::{
    Read,
    Write,
};

pub use futures::{
    Future,
    future,
    Stream,
    stream,
    Sink,
    IntoFuture,
    Async,
    AsyncSink,
    Poll,
    task,
};

#[cfg(feature = "async-await-preview")]
#[doc(inline)]
pub use tokio_async_await::{
    io::{
        AsyncReadExt,
        AsyncWriteExt,
    },
    sink::{
        SinkExt,
    },
    stream::{
        StreamExt as StreamAsyncExt,
    },
};