pub fn copy_buf_abortable<R, W>(
    reader: R,
    writer: &mut W,
) -> (CopyBufAbortable<'_, R, W>, AbortHandle)
where
    R: AsyncBufRead,
    W: AsyncWrite + Unpin + ?Sized,
{
    let (handle, reg) = AbortHandle::new_pair();
    (CopyBufAbortable { reader, writer, amt: 0, inner: reg.inner }, handle)
}
/// Creates a future which copies all the bytes from one object to another, with its `AbortHandle`.
///
/// The returned future will copy all the bytes read from this `AsyncBufRead` into the
/// `writer` specified. This future will only complete once abort has been requested or the `reader` has hit
/// EOF and all bytes have been written to and flushed from the `writer`
/// provided.
///
/// On success the number of bytes is returned. If aborted, `Aborted` is returned. Otherwise, the underlying error is returned.
///
/// # Examples
///
/// ```
/// # futures::executor::block_on(async {
/// use futures::io::{self, AsyncWriteExt, Cursor};
/// use futures::future::Aborted;
///
/// let reader = Cursor::new([1, 2, 3, 4]);
/// let mut writer = Cursor::new(vec![0u8; 5]);
///
/// let (fut, abort_handle) = io::copy_buf_abortable(reader, &mut writer);
/// let bytes = fut.await;
/// abort_handle.abort();
/// writer.close().await.unwrap();
/// match bytes {
///     Ok(Ok(n)) => {
///         assert_eq!(n, 4);
///         assert_eq!(writer.into_inner(), [1, 2, 3, 4, 0]);
///         Ok(n)
///     },
///     Ok(Err(a)) => {
///         Err::<u64, Aborted>(a)
///     }
///     Err(e) => panic!("{}", e)
/// }
/// #  }).unwrap();
/// ```
Creates a future which copies all the bytes from one object to another, with its `AbortHandle`.
The returned future will copy all the bytes read from this `AsyncBufRead` into the
`writer` specified. This future will only complete once abort has been requested or the `reader` has hit
EOF and all bytes have been written to and flushed from the `writer`
provided.

On success the number of bytes is returned. If aborted, `Aborted` is returned. Otherwise, the underlying error is returned.
Creates a future which copies all the bytes from one object to another with its ` AbortHandle ` . The returned future will copy all the bytes read from this ` AsyncBufRead ` into the ` writer ` specified . This future will only complete once abort has been requested or the ` reader ` has hit EOF and all bytes have been written to and flushed from the ` writer ` provided . On success the number of bytes is returned . If aborted ` Aborted ` is returned . Otherwise the underlying error is returned .
pub fn copy_buf_abortable<R, W>(
    reader: R,
    writer: &mut W,
) -> (CopyBufAbortable<'_, R, W>, AbortHandle)
where
    R: AsyncBufRead,
    W: AsyncWrite + Unpin + ?Sized,
{
    let (handle, reg) = AbortHandle::new_pair();
    (CopyBufAbortable { reader, writer, amt: 0, inner: reg.inner }, handle)
}
pub fn copy_buf_abortable < R , W > ( reader : R , writer : & mut W , ) -> ( CopyBufAbortable < ' _ , R , W > , AbortHandle ) where R : AsyncBufRead , W : AsyncWrite + Unpin + ? Sized , { let ( handle , reg ) = AbortHandle :: new_pair ( ) ; ( CopyBufAbortable { reader , writer , amt : 0 , inner : reg . inner } , handle ) }
Creates a future which copies all the bytes from one object to another, with its `AbortHandle`.
Creates a future which copies all the bytes from one object to another with its ` AbortHandle ` .
reader
R
writer
&mut W
reader
R
writer
&mut W
examples
None
futures::executor::block_on(async {
use futures::io::{self, AsyncWriteExt, Cursor};
use futures::future::Aborted.




use futures :: io :: { self AsyncWriteExt Cursor } ; use futures :: future :: Aborted .
}).unwrap();
None