Struct TrackClosed

pub struct TrackClosed<T> { /* private fields */ }

Async wrapper that tracks whether it has been closed.

See the track_closed methods on:

• SinkTestExt
• AsyncWriteTestExt

Implementations

impl<T> TrackClosed<T>

pub fn is_closed(&self) -> bool

Check whether this object has been closed.

pub fn get_ref(&self) -> &T

Acquires a reference to the underlying object that this adaptor is wrapping.

pub fn get_mut(&mut self) -> &mut T

Acquires a mutable reference to the underlying object that this adaptor is wrapping.

pub fn get_pin_mut(self: Pin<&mut Self>) -> Pin<&mut T>

Acquires a pinned mutable reference to the underlying object that this adaptor is wrapping.

pub fn into_inner(self) -> T

Consumes this adaptor returning the underlying object.

Trait Implementations

impl<T: AsyncWrite> AsyncWrite for TrackClosed<T>

fn poll_write( self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &[u8], ) -> Poll<Result<usize>>

Attempt to write bytes from buf into the object.

fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<()>>

Attempt to flush the object, ensuring that any buffered data reach their destination.

fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<()>>

Attempt to close the object.

fn poll_write_vectored( self: Pin<&mut Self>, cx: &mut Context<'_>, bufs: &[IoSlice<'_>], ) -> Poll<Result<usize>>

Attempt to write bytes from bufs into the object using vectored IO operations.

impl<T: Debug> Debug for TrackClosed<T>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<Item, T: Sink<Item>> Sink<Item> for TrackClosed<T>

type Error = <T as Sink<Item>>::Error

The type of value produced by the sink when an error occurs.

fn poll_ready( self: Pin<&mut Self>, cx: &mut Context<'_>, ) -> Poll<Result<(), Self::Error>>

Attempts to prepare the Sink to receive a value.

fn start_send(self: Pin<&mut Self>, item: Item) -> Result<(), Self::Error>

Begin the process of sending a value to the sink. Each call to this function must be preceded by a successful call to poll_ready which returned Poll::Ready(Ok(())).

fn poll_flush( self: Pin<&mut Self>, cx: &mut Context<'_>, ) -> Poll<Result<(), Self::Error>>

Flush any remaining output from this sink.

fn poll_close( self: Pin<&mut Self>, cx: &mut Context<'_>, ) -> Poll<Result<(), Self::Error>>

Flush any remaining output and close this sink, if necessary.

impl<'pin, T> Unpin for TrackClosed<T>

where __TrackClosed<'pin, T>: Unpin,