pub fn channel<T>(buffer: usize) -> (Sender<T>, Receiver<T>) {
    assert!(buffer > 0, "mpsc bounded channel requires buffer > 0");
    let semaphore = (::semaphore::Semaphore::new(buffer), buffer);
    let (tx, rx) = chan::channel(semaphore);

    let tx = Sender::new(tx);
    let rx = Receiver::new(rx);

    (tx, rx)
}
/// Create a bounded mpsc channel for communicating between asynchronous tasks,
/// returning the sender/receiver halves.
///
/// All data sent on `Sender` will become available on `Receiver` in the same
/// order as it was sent.
///
/// The `Sender` can be cloned to `send` to the same channel from multiple code
/// locations. Only one `Receiver` is supported.
///
/// If the `Receiver` is disconnected while trying to `send`, the `send` method
/// will return a `SendError`. Similarly, if `Sender` is disconnected while
/// trying to `recv`, the `recv` method will return a `RecvError`.
///
/// # Examples
///
/// ```rust
/// extern crate futures;
/// extern crate tokio;
///
/// use tokio::sync::mpsc::channel;
/// use tokio::prelude::*;
/// use futures::future::lazy;
///
/// # fn some_computation() -> impl Future<Item = (), Error = ()> + Send {
/// # futures::future::ok::<(), ()>(())
/// # }
///
/// tokio::run(lazy(|| {
///     let (tx, rx) = channel(100);
///
///     tokio::spawn({
///         some_computation()
///             .and_then(|value| {
///                 tx.send(value)
///                     .map_err(|_| ())
///             })
///             .map(|_| ())
///             .map_err(|_| ())
///     });
///
///     rx.for_each(|value| {
///         println!("got value = {:?}", value);
///         Ok(())
///     })
///     .map(|_| ())
///     .map_err(|_| ())
/// }));
/// ```
Create a bounded mpsc channel for communicating between asynchronous tasks,
returning the sender/receiver halves.

All data sent on `Sender` will become available on `Receiver` in the same
order as it was sent.

The `Sender` can be cloned to `send` to the same channel from multiple code
locations. Only one `Receiver` is supported.


Create a bounded mpsc channel for communicating between asynchronous tasks returning the sender / receiver halves . All data sent on ` Sender ` will become available on ` Receiver ` in the same order as it was sent . The ` Sender ` can be cloned to ` send ` to the same channel from multiple code locations . Only one ` Receiver ` is supported .
pub fn channel<T>(buffer: usize) -> (Sender<T>, Receiver<T>) {
    assert!(buffer > 0, "mpsc bounded channel requires buffer > 0");
    let semaphore = (::semaphore::Semaphore::new(buffer), buffer);
    let (tx, rx) = chan::channel(semaphore);
    let tx = Sender::new(tx);
    let rx = Receiver::new(rx);
    (tx, rx)
}
pub fn channel < T > ( buffer : usize ) -> ( Sender < T > , Receiver < T > ) { assert ! ( buffer 0 " " ) ; let semaphore = ( :: semaphore :: Semaphore :: new ( buffer ) , buffer ) ; let ( tx , rx ) = chan :: channel ( semaphore ) ; let tx = Sender :: new ( tx ) ; let rx = Receiver :: new ( rx ) ; ( tx , rx ) }
Create a bounded mpsc channel for communicating between asynchronous tasks,
returning the sender/receiver halves.
Create a bounded mpsc channel for communicating between asynchronous tasks returning the sender / receiver halves .
buffer
usize
examples
```rust
extern crate futures;
extern crate tokio.

use tokio::sync::mpsc::channel;
use tokio::prelude::*;
use futures::future::lazy.
` ` ` rust extern crate futures ; extern crate tokio . use tokio :: sync :: mpsc :: channel ; use tokio :: prelude :: * ; use futures :: future :: lazy .
fn some_computation() -> impl future<item = (), error = ()> + send {
None
futures::future::ok::<(), ()>(())
None
}
None