[−][src]Struct async_std::io::Empty

pub struct Empty { /* fields omitted */ }

A reader that contains no data.

This reader is constructed by the sink function.

Trait Implementations

impl Debug for Empty[src]

impl AsyncBufRead for Empty[src]

impl AsyncRead for Empty[src]

fn poll_read_vectored(
    self: Pin<&mut Self>,
    cx: &mut Context,
    bufs: &mut [IoSliceMut]
) -> Poll<Result<usize, Error>>[src]

Attempt to read from the AsyncRead into bufs using vectored IO operations. Read more

Auto Trait Implementations

impl Send for Empty

impl Unpin for Empty

impl Sync for Empty

impl RefUnwindSafe for Empty

impl UnwindSafe for Empty

Blanket Implementations

impl<T> From<T> for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, [src]

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

impl<T> Any for T where
    T: 'static + ?Sized, [src]

impl<R> AsyncBufReadExt for R where
    R: AsyncBufRead + ?Sized, [src]

ⓘImportant traits for CopyBufInto<'_, R, W>
fn copy_buf_into<W>(self, writer: &mut W) -> CopyBufInto<Self, W> where
    W: AsyncWrite + Unpin + ?Sized, [src]

Creates a future which copies all the bytes from one object to another. Read more

ⓘImportant traits for ReadUntil<'_, R>
fn read_until(
    &'a mut self,
    byte: u8,
    buf: &'a mut Vec<u8>
) -> 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

ⓘImportant traits for ReadLine<'_, R>
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>[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, [src]

ⓘImportant traits for CopyInto<'_, R, W>
fn copy_into<W>(self, writer: &mut W) -> CopyInto<Self, W> where
    W: AsyncWrite + Unpin + ?Sized, [src]

Creates a future which copies all the bytes from one object to another. Read more

ⓘImportant traits for Read<'_, R>
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

ⓘImportant traits for ReadVectored<'_, R>
fn read_vectored(
    &'a mut self,
    bufs: &'a mut [IoSliceMut<'a>]
) -> ReadVectored<'a, Self> where
    Self: Unpin, [src]

Creates a future which will read from the AsyncRead into bufs using vectored IO operations. Read more

ⓘImportant traits for ReadExact<'_, R>
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

ⓘImportant traits for ReadToEnd<'_, A>
fn read_to_end(&'a mut self, buf: &'a mut Vec<u8>) -> ReadToEnd<'a, Self> 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, [src]

Helper method for splitting this read/write object into two halves. Read more