Struct futures::io::Empty [−][src]
#[must_use = "readers do nothing unless polled"]pub struct Empty { /* fields omitted */ }
Expand description
Reader for the empty()
function.
Trait Implementations
impl AsyncBufRead for Empty
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impl AsyncBufRead for Empty
[src]impl AsyncRead for Empty
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impl AsyncRead for Empty
[src]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
impl<R> AsyncBufReadExt for R where
R: AsyncBufRead + ?Sized,
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impl<R> AsyncBufReadExt for R where
R: AsyncBufRead + ?Sized,
[src]fn fill_buf(&mut self) -> FillBuf<'_, Self>ⓘ where
Self: Unpin,
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fn fill_buf(&mut self) -> FillBuf<'_, Self>ⓘ where
Self: Unpin,
[src]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
fn consume_unpin(&mut self, amt: usize) where
Self: Unpin,
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fn consume_unpin(&mut self, amt: usize) where
Self: Unpin,
[src]A convenience for calling AsyncBufRead::consume
on Unpin
IO types. Read more
fn read_until(
&'a mut self,
byte: u8,
buf: &'a mut Vec<u8, Global>
) -> ReadUntil<'a, Self>ⓘ where
Self: Unpin,
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fn read_until(
&'a mut self,
byte: u8,
buf: &'a mut Vec<u8, Global>
) -> ReadUntil<'a, Self>ⓘ where
Self: Unpin,
[src]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
fn read_line(&'a mut self, buf: &'a mut String) -> ReadLine<'a, Self>ⓘ where
Self: Unpin,
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fn read_line(&'a mut self, buf: &'a mut String) -> ReadLine<'a, Self>ⓘ where
Self: Unpin,
[src]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
fn lines(self) -> Lines<Self>
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fn lines(self) -> Lines<Self>
[src]Returns a stream over the lines of this reader.
This method is the async equivalent to BufRead::lines
. Read more
impl<R> AsyncReadExt for R where
R: AsyncRead + ?Sized,
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impl<R> AsyncReadExt for R where
R: AsyncRead + ?Sized,
[src]fn chain<R>(self, next: R) -> Chain<Self, R> where
R: AsyncRead,
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fn chain<R>(self, next: R) -> Chain<Self, R> where
R: AsyncRead,
[src]Creates an adaptor which will chain this stream with another. Read more
fn read(&'a mut self, buf: &'a mut [u8]) -> Read<'a, Self>ⓘ where
Self: Unpin,
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fn read(&'a mut self, buf: &'a mut [u8]) -> Read<'a, Self>ⓘ where
Self: Unpin,
[src]Tries to read some bytes directly into the given buf
in asynchronous
manner, returning a future type. Read more
fn read_vectored(
&'a mut self,
bufs: &'a mut [IoSliceMut<'a>]
) -> ReadVectored<'a, Self>ⓘNotable traits for ReadVectored<'_, R>
impl<'_, R> Future for ReadVectored<'_, R> where
R: AsyncRead + Unpin + ?Sized, type Output = Result<usize, Error>;
where
Self: Unpin,
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fn read_vectored(
&'a mut self,
bufs: &'a mut [IoSliceMut<'a>]
) -> ReadVectored<'a, Self>ⓘNotable traits for ReadVectored<'_, R>
impl<'_, R> Future for ReadVectored<'_, R> where
R: AsyncRead + Unpin + ?Sized, type Output = Result<usize, Error>;
where
Self: Unpin,
[src]Creates a future which will read from the AsyncRead
into bufs
using vectored
IO operations. Read more
fn read_exact(&'a mut self, buf: &'a mut [u8]) -> ReadExact<'a, Self>ⓘ where
Self: Unpin,
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fn read_exact(&'a mut self, buf: &'a mut [u8]) -> ReadExact<'a, Self>ⓘ where
Self: Unpin,
[src]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
fn read_to_end(
&'a mut self,
buf: &'a mut Vec<u8, Global>
) -> ReadToEnd<'a, Self>ⓘ where
Self: Unpin,
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fn read_to_end(
&'a mut self,
buf: &'a mut Vec<u8, Global>
) -> ReadToEnd<'a, Self>ⓘ where
Self: Unpin,
[src]Creates a future which will read all the bytes from this AsyncRead
. Read more
fn read_to_string(&'a mut self, buf: &'a mut String) -> ReadToString<'a, Self>ⓘNotable traits for ReadToString<'_, A>
impl<'_, A> Future for ReadToString<'_, A> where
A: AsyncRead + Unpin + ?Sized, type Output = Result<usize, Error>;
where
Self: Unpin,
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fn read_to_string(&'a mut self, buf: &'a mut String) -> ReadToString<'a, Self>ⓘNotable traits for ReadToString<'_, A>
impl<'_, A> Future for ReadToString<'_, A> where
A: AsyncRead + Unpin + ?Sized, type Output = Result<usize, Error>;
where
Self: Unpin,
[src]Creates a future which will read all the bytes from this AsyncRead
. Read more
fn split(self) -> (ReadHalf<Self>, WriteHalf<Self>) where
Self: AsyncWrite,
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fn split(self) -> (ReadHalf<Self>, WriteHalf<Self>) where
Self: AsyncWrite,
[src]Helper method for splitting this read/write object into two halves. Read more
fn take(self, limit: u64) -> Take<Self>
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fn take(self, limit: u64) -> Take<Self>
[src]Creates an AsyncRead adapter which will read at most limit
bytes
from the underlying reader. Read more
fn compat(self) -> Compat<Self>ⓘ where
Self: Unpin,
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fn compat(self) -> Compat<Self>ⓘ where
Self: Unpin,
[src]Wraps an AsyncRead
in a compatibility wrapper that allows it to be
used as a futures 0.1 / tokio-io 0.1 AsyncRead
. If the wrapped type
implements AsyncWrite
as well, the result will also implement the
futures 0.1 / tokio 0.1 AsyncWrite
trait. Read more
impl<T> BorrowMut<T> for T where
T: ?Sized,
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impl<T> BorrowMut<T> for T where
T: ?Sized,
[src]pub fn borrow_mut(&mut self) -> &mut T
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pub fn borrow_mut(&mut self) -> &mut T
[src]Mutably borrows from an owned value. Read more