Struct fluvio_future::io::Empty
source · [−]pub struct Empty { /* private fields */ }Expand description
A reader that contains no data.
This reader is created by the empty function. See its
documentation for more.
Trait Implementations
sourceimpl AsyncBufRead for Empty
impl AsyncBufRead for Empty
sourceimpl AsyncRead for Empty
impl AsyncRead for Empty
sourcefn poll_read(
self: Pin<&mut Empty>,
&mut Context<'_>,
&mut [u8]
) -> Poll<Result<usize, Error>>
fn poll_read(
self: Pin<&mut Empty>,
&mut Context<'_>,
&mut [u8]
) -> Poll<Result<usize, Error>>
Attempt to read from the AsyncRead into buf. Read more
fn poll_read_vectored(
self: Pin<&mut Self>,
cx: &mut Context<'_>,
bufs: &mut [IoSliceMut<'_>]
) -> Poll<Result<usize, Error>>
fn poll_read_vectored(
self: Pin<&mut Self>,
cx: &mut Context<'_>,
bufs: &mut [IoSliceMut<'_>]
) -> Poll<Result<usize, Error>>
Attempt to read from the AsyncRead into bufs using vectored
IO operations. Read more
Auto Trait Implementations
impl RefUnwindSafe for Empty
impl Send for Empty
impl Sync for Empty
impl Unpin for Empty
impl UnwindSafe for Empty
Blanket Implementations
sourceimpl<R> AsyncBufReadExt for R where
R: AsyncBufRead + ?Sized,
impl<R> AsyncBufReadExt for R where
R: AsyncBufRead + ?Sized,
sourcefn fill_buf(&mut self) -> FillBuf<'_, Self>ⓘNotable traits for FillBuf<'a, R>impl<'a, R> Future for FillBuf<'a, R> where
R: AsyncBufRead + Unpin + ?Sized, type Output = Result<&'a [u8], Error>; where
Self: Unpin,
fn fill_buf(&mut self) -> FillBuf<'_, Self>ⓘNotable traits for FillBuf<'a, R>impl<'a, R> Future for FillBuf<'a, R> where
R: AsyncBufRead + Unpin + ?Sized, type Output = Result<&'a [u8], Error>; where
Self: Unpin,
R: AsyncBufRead + Unpin + ?Sized, type Output = Result<&'a [u8], Error>;
Returns the contents of the internal buffer, filling it with more data if empty. Read more
sourcefn read_until(
&'a mut self,
byte: u8,
buf: &'a mut Vec<u8, Global>
) -> ReadUntilFuture<'a, Self>ⓘNotable traits for ReadUntilFuture<'_, R>impl<R> Future for ReadUntilFuture<'_, R> where
R: AsyncBufRead + Unpin + ?Sized, type Output = Result<usize, Error>; where
Self: Unpin,
fn read_until(
&'a mut self,
byte: u8,
buf: &'a mut Vec<u8, Global>
) -> ReadUntilFuture<'a, Self>ⓘNotable traits for ReadUntilFuture<'_, R>impl<R> Future for ReadUntilFuture<'_, R> where
R: AsyncBufRead + Unpin + ?Sized, type Output = Result<usize, Error>; where
Self: Unpin,
R: AsyncBufRead + Unpin + ?Sized, type Output = Result<usize, Error>;
Reads all bytes and appends them into buf until the delimiter byte or EOF is found. Read more
sourcefn read_line(&'a mut self, buf: &'a mut String) -> ReadLineFuture<'a, Self>ⓘNotable traits for ReadLineFuture<'_, R>impl<R> Future for ReadLineFuture<'_, R> where
R: AsyncBufRead + Unpin + ?Sized, type Output = Result<usize, Error>; where
Self: Unpin,
fn read_line(&'a mut self, buf: &'a mut String) -> ReadLineFuture<'a, Self>ⓘNotable traits for ReadLineFuture<'_, R>impl<R> Future for ReadLineFuture<'_, R> where
R: AsyncBufRead + Unpin + ?Sized, type Output = Result<usize, Error>; where
Self: Unpin,
R: AsyncBufRead + Unpin + ?Sized, type Output = Result<usize, Error>;
Reads all bytes and appends them into buf until a newline (the 0xA byte) or EOF is found. Read more
sourceimpl<R> AsyncBufReadExt for R where
R: AsyncBufRead + ?Sized,
impl<R> AsyncBufReadExt for R where
R: AsyncBufRead + ?Sized,
sourcefn fill_buf(&mut self) -> FillBuf<'_, Self> where
Self: Unpin,
fn fill_buf(&mut self) -> FillBuf<'_, Self> where
Self: Unpin,
Creates a future which will wait for a non-empty buffer to be available from this I/O object or EOF to be reached. Read more
sourcefn consume_unpin(&mut self, amt: usize) where
Self: Unpin,
fn consume_unpin(&mut self, amt: usize) where
Self: Unpin,
A convenience for calling AsyncBufRead::consume on Unpin IO types. Read more
sourcefn read_until(
&'a mut self,
byte: u8,
buf: &'a mut Vec<u8, Global>
) -> ReadUntil<'a, Self> where
Self: Unpin,
fn read_until(
&'a mut self,
byte: u8,
buf: &'a mut Vec<u8, Global>
) -> ReadUntil<'a, Self> where
Self: Unpin,
Creates a future which will read all the bytes associated with this I/O
object into buf until the delimiter byte or EOF is reached.
This method is the async equivalent to BufRead::read_until. Read more
sourcefn read_line(&'a mut self, buf: &'a mut String) -> ReadLine<'a, Self> where
Self: Unpin,
fn read_line(&'a mut self, buf: &'a mut String) -> ReadLine<'a, Self> where
Self: Unpin,
Creates a future which will read all the bytes associated with this I/O
object into buf until a newline (the 0xA byte) or EOF is reached,
This method is the async equivalent to BufRead::read_line. Read more
sourcefn lines(self) -> Lines<Self>
fn lines(self) -> Lines<Self>
Returns a stream over the lines of this reader.
This method is the async equivalent to BufRead::lines. Read more
sourceimpl<R> AsyncReadExt for R where
R: AsyncRead + ?Sized,
impl<R> AsyncReadExt for R where
R: AsyncRead + ?Sized,
sourcefn read(&'a mut self, buf: &'a mut [u8]) -> ReadFuture<'a, Self>ⓘNotable traits for ReadFuture<'_, R>impl<R> Future for ReadFuture<'_, R> where
R: AsyncRead + Unpin + ?Sized, type Output = Result<usize, Error>; where
Self: Unpin,
fn read(&'a mut self, buf: &'a mut [u8]) -> ReadFuture<'a, Self>ⓘNotable traits for ReadFuture<'_, R>impl<R> Future for ReadFuture<'_, R> where
R: AsyncRead + Unpin + ?Sized, type Output = Result<usize, Error>; where
Self: Unpin,
R: AsyncRead + Unpin + ?Sized, type Output = Result<usize, Error>;
Reads some bytes from the byte stream. Read more
sourcefn read_vectored(
&'a mut self,
bufs: &'a mut [IoSliceMut<'a>]
) -> ReadVectoredFuture<'a, Self>ⓘNotable traits for ReadVectoredFuture<'_, R>impl<R> Future for ReadVectoredFuture<'_, R> where
R: AsyncRead + Unpin + ?Sized, type Output = Result<usize, Error>; where
Self: Unpin,
fn read_vectored(
&'a mut self,
bufs: &'a mut [IoSliceMut<'a>]
) -> ReadVectoredFuture<'a, Self>ⓘNotable traits for ReadVectoredFuture<'_, R>impl<R> Future for ReadVectoredFuture<'_, R> where
R: AsyncRead + Unpin + ?Sized, type Output = Result<usize, Error>; where
Self: Unpin,
R: AsyncRead + Unpin + ?Sized, type Output = Result<usize, Error>;
sourcefn read_to_end(
&'a mut self,
buf: &'a mut Vec<u8, Global>
) -> ReadToEndFuture<'a, Self>ⓘNotable traits for ReadToEndFuture<'_, R>impl<R> Future for ReadToEndFuture<'_, R> where
R: AsyncRead + Unpin + ?Sized, type Output = Result<usize, Error>; where
Self: Unpin,
fn read_to_end(
&'a mut self,
buf: &'a mut Vec<u8, Global>
) -> ReadToEndFuture<'a, Self>ⓘNotable traits for ReadToEndFuture<'_, R>impl<R> Future for ReadToEndFuture<'_, R> where
R: AsyncRead + Unpin + ?Sized, type Output = Result<usize, Error>; where
Self: Unpin,
R: AsyncRead + Unpin + ?Sized, type Output = Result<usize, Error>;
sourcefn read_to_string(
&'a mut self,
buf: &'a mut String
) -> ReadToStringFuture<'a, Self>ⓘNotable traits for ReadToStringFuture<'_, R>impl<R> Future for ReadToStringFuture<'_, R> where
R: AsyncRead + Unpin + ?Sized, type Output = Result<usize, Error>; where
Self: Unpin,
fn read_to_string(
&'a mut self,
buf: &'a mut String
) -> ReadToStringFuture<'a, Self>ⓘNotable traits for ReadToStringFuture<'_, R>impl<R> Future for ReadToStringFuture<'_, R> where
R: AsyncRead + Unpin + ?Sized, type Output = Result<usize, Error>; where
Self: Unpin,
R: AsyncRead + Unpin + ?Sized, type Output = Result<usize, Error>;
sourcefn read_exact(&'a mut self, buf: &'a mut [u8]) -> ReadExactFuture<'a, Self>ⓘNotable traits for ReadExactFuture<'_, R>impl<R> Future for ReadExactFuture<'_, R> where
R: AsyncRead + Unpin + ?Sized, type Output = Result<(), Error>; where
Self: Unpin,
fn read_exact(&'a mut self, buf: &'a mut [u8]) -> ReadExactFuture<'a, Self>ⓘNotable traits for ReadExactFuture<'_, R>impl<R> Future for ReadExactFuture<'_, R> where
R: AsyncRead + Unpin + ?Sized, type Output = Result<(), Error>; where
Self: Unpin,
R: AsyncRead + Unpin + ?Sized, type Output = Result<(), Error>;
Reads the exact number of bytes required to fill buf. Read more
sourcefn take(self, limit: u64) -> Take<Self>
fn take(self, limit: u64) -> Take<Self>
Creates an adapter which will read at most limit bytes from it. Read more
sourcefn chain<R>(self, next: R) -> Chain<Self, R> where
R: AsyncRead,
fn chain<R>(self, next: R) -> Chain<Self, R> where
R: AsyncRead,
Creates an adapter which will chain this stream with another. Read more
sourcefn boxed_reader<'a>(self) -> Pin<Box<dyn AsyncRead + Send + 'a, Global>>ⓘNotable traits for Pin<P>impl<P> Future for Pin<P> where
P: DerefMut,
<P as Deref>::Target: Future, type Output = <<P as Deref>::Target as Future>::Output; where
Self: 'a + Send,
fn boxed_reader<'a>(self) -> Pin<Box<dyn AsyncRead + Send + 'a, Global>>ⓘNotable traits for Pin<P>impl<P> Future for Pin<P> where
P: DerefMut,
<P as Deref>::Target: Future, type Output = <<P as Deref>::Target as Future>::Output; where
Self: 'a + Send,
P: DerefMut,
<P as Deref>::Target: Future, type Output = <<P as Deref>::Target as Future>::Output;
Boxes the reader and changes its type to dyn AsyncRead + Send + 'a. Read more
sourceimpl<R> AsyncReadExt for R where
R: AsyncRead + ?Sized,
impl<R> AsyncReadExt for R where
R: AsyncRead + ?Sized,
sourcefn chain<R>(self, next: R) -> Chain<Self, R> where
R: AsyncRead,
fn chain<R>(self, next: R) -> Chain<Self, R> where
R: AsyncRead,
Creates an adaptor which will chain this stream with another. Read more
sourcefn read(&'a mut self, buf: &'a mut [u8]) -> Read<'a, Self> where
Self: Unpin,
fn read(&'a mut self, buf: &'a mut [u8]) -> Read<'a, Self> where
Self: Unpin,
Tries to read some bytes directly into the given buf in asynchronous
manner, returning a future type. Read more
sourcefn read_vectored(
&'a mut self,
bufs: &'a mut [IoSliceMut<'a>]
) -> ReadVectored<'a, Self> where
Self: Unpin,
fn read_vectored(
&'a mut self,
bufs: &'a mut [IoSliceMut<'a>]
) -> ReadVectored<'a, Self> where
Self: Unpin,
Creates a future which will read from the AsyncRead into bufs using vectored
IO operations. Read more
sourcefn read_exact(&'a mut self, buf: &'a mut [u8]) -> ReadExact<'a, Self> where
Self: Unpin,
fn read_exact(&'a mut self, buf: &'a mut [u8]) -> ReadExact<'a, Self> where
Self: Unpin,
Creates a future which will read exactly enough bytes to fill buf,
returning an error if end of file (EOF) is hit sooner. Read more
sourcefn read_to_end(&'a mut self, buf: &'a mut Vec<u8, Global>) -> ReadToEnd<'a, Self> where
Self: Unpin,
fn read_to_end(&'a mut self, buf: &'a mut Vec<u8, Global>) -> ReadToEnd<'a, Self> where
Self: Unpin,
Creates a future which will read all the bytes from this AsyncRead. Read more
sourcefn read_to_string(&'a mut self, buf: &'a mut String) -> ReadToString<'a, Self> where
Self: Unpin,
fn read_to_string(&'a mut self, buf: &'a mut String) -> ReadToString<'a, Self> where
Self: Unpin,
Creates a future which will read all the bytes from this AsyncRead. Read more
sourcefn split(self) -> (ReadHalf<Self>, WriteHalf<Self>) where
Self: AsyncWrite,
fn split(self) -> (ReadHalf<Self>, WriteHalf<Self>) where
Self: AsyncWrite,
Helper method for splitting this read/write object into two halves. Read more
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> BufReadExt for T where
T: AsyncBufRead + ?Sized,
impl<T> BufReadExt for T where
T: AsyncBufRead + ?Sized,
sourcefn read_until(
&'a mut self,
byte: u8,
buf: &'a mut Vec<u8, Global>
) -> ReadUntilFuture<'a, Self> where
Self: Unpin,
fn read_until(
&'a mut self,
byte: u8,
buf: &'a mut Vec<u8, Global>
) -> ReadUntilFuture<'a, Self> where
Self: Unpin,
Reads all bytes into buf until the delimiter byte or EOF is reached. Read more
sourcefn read_line(&'a mut self, buf: &'a mut String) -> ReadLineFuture<'a, Self> where
Self: Unpin,
fn read_line(&'a mut self, buf: &'a mut String) -> ReadLineFuture<'a, Self> where
Self: Unpin,
Reads all bytes and appends them into buf until a newline (the 0xA byte) is
reached. Read more
sourceimpl<T> Instrument for T
impl<T> Instrument for T
sourcefn instrument(self, span: Span) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>impl<T> Future for Instrumented<T> where
T: Future, type Output = <T as Future>::Output;
fn instrument(self, span: Span) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>impl<T> Future for Instrumented<T> where
T: Future, type Output = <T as Future>::Output;
T: Future, type Output = <T as Future>::Output;
sourcefn in_current_span(self) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>impl<T> Future for Instrumented<T> where
T: Future, type Output = <T as Future>::Output;
fn in_current_span(self) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>impl<T> Future for Instrumented<T> where
T: Future, type Output = <T as Future>::Output;
T: Future, type Output = <T as Future>::Output;
sourceimpl<T> ReadExt for T where
T: AsyncRead + ?Sized,
impl<T> ReadExt for T where
T: AsyncRead + ?Sized,
sourcefn read(&'a mut self, buf: &'a mut [u8]) -> ReadFuture<'a, Self> where
Self: Unpin,
fn read(&'a mut self, buf: &'a mut [u8]) -> ReadFuture<'a, Self> where
Self: Unpin,
Reads some bytes from the byte stream. Read more
sourcefn read_vectored(
&'a mut self,
bufs: &'a mut [IoSliceMut<'a>]
) -> ReadVectoredFuture<'a, Self> where
Self: Unpin,
fn read_vectored(
&'a mut self,
bufs: &'a mut [IoSliceMut<'a>]
) -> ReadVectoredFuture<'a, Self> where
Self: Unpin,
sourcefn read_to_end(
&'a mut self,
buf: &'a mut Vec<u8, Global>
) -> ReadToEndFuture<'a, Self> where
Self: Unpin,
fn read_to_end(
&'a mut self,
buf: &'a mut Vec<u8, Global>
) -> ReadToEndFuture<'a, Self> where
Self: Unpin,
Reads all bytes from the byte stream. Read more
sourcefn read_to_string(
&'a mut self,
buf: &'a mut String
) -> ReadToStringFuture<'a, Self> where
Self: Unpin,
fn read_to_string(
&'a mut self,
buf: &'a mut String
) -> ReadToStringFuture<'a, Self> where
Self: Unpin,
Reads all bytes from the byte stream and appends them into a string. Read more
sourcefn read_exact(&'a mut self, buf: &'a mut [u8]) -> ReadExactFuture<'a, Self> where
Self: Unpin,
fn read_exact(&'a mut self, buf: &'a mut [u8]) -> ReadExactFuture<'a, Self> where
Self: Unpin,
Reads the exact number of bytes required to fill buf. Read more
sourcefn take(self, limit: u64) -> Take<Self>
fn take(self, limit: u64) -> Take<Self>
Creates an adaptor which will read at most limit bytes from it. Read more
sourcefn by_ref(&mut self) -> &mut Self
fn by_ref(&mut self) -> &mut Self
Creates a “by reference” adaptor for this instance of Read. Read more
sourceimpl<T> WithSubscriber for T
impl<T> WithSubscriber for T
sourcefn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>impl<T> Future for WithDispatch<T> where
T: Future, type Output = <T as Future>::Output; where
S: Into<Dispatch>,
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>impl<T> Future for WithDispatch<T> where
T: Future, type Output = <T as Future>::Output; where
S: Into<Dispatch>,
T: Future, type Output = <T as Future>::Output;
Attaches the provided Subscriber to this type, returning a
WithDispatch wrapper. Read more
sourcefn with_current_subscriber(self) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>impl<T> Future for WithDispatch<T> where
T: Future, type Output = <T as Future>::Output;
fn with_current_subscriber(self) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>impl<T> Future for WithDispatch<T> where
T: Future, type Output = <T as Future>::Output;
T: Future, type Output = <T as Future>::Output;
Attaches the current default Subscriber to this type, returning a
WithDispatch wrapper. Read more