Struct futures_lite::io::Empty[−][src]

pub struct Empty { /* fields omitted */ }
Expand description

Reader for the empty() function.

Trait Implementations

impl AsyncBufRead for Empty[src]

fn poll_fill_buf<'a>(
    self: Pin<&'a mut Self>,
    _: &mut Context<'_>
) -> Poll<Result<&'a [u8]>>[src]

Attempt to return the contents of the internal buffer, filling it with more data from the inner reader if it is empty. Read more

fn consume(self: Pin<&mut Self>, _: usize)[src]

Tells this buffer that amt bytes have been consumed from the buffer, so they should no longer be returned in calls to poll_read. Read more

impl AsyncRead for Empty[src]

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

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>>[src]

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

impl Debug for Empty[src]

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

Formats the value using the given formatter. 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

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

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

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

fn fill_buf(&mut self) -> FillBuf<'_, Self>ⓘ

Notable traits for FillBuf<'a, R>

impl<'a, R: ?Sized> Future for FillBuf<'a, R> where
    R: AsyncBufRead + Unpin,  type Output = Result<&'a [u8]>;
 where
    Self: Unpin, [src]

Returns the contents of the internal buffer, filling it with more data if empty. Read more

fn consume(&mut self, amt: usize) where
    Self: Unpin, [src]

Consumes amt buffered bytes. Read more

fn read_until<'a>(
    &'a mut self,
    byte: u8,
    buf: &'a mut Vec<u8>
) -> ReadUntilFuture<'_, Self>ⓘ

Notable traits for ReadUntilFuture<'_, R>

impl<R: AsyncBufRead + Unpin + ?Sized> Future for ReadUntilFuture<'_, R> type Output = Result<usize>;
 where
    Self: Unpin, [src]

Reads all bytes and appends them into buf until the delimiter byte or EOF is found. Read more

fn read_line<'a>(&'a mut self, buf: &'a mut String) -> ReadLineFuture<'_, Self>ⓘ

Notable traits for ReadLineFuture<'_, R>

impl<R: AsyncBufRead + Unpin + ?Sized> Future for ReadLineFuture<'_, R> type Output = Result<usize>;
 where
    Self: Unpin, [src]

Reads all bytes and appends them into buf until a newline (the 0xA byte) or EOF is found. Read more

fn lines(self) -> Lines<Self> where
    Self: Unpin + Sized, [src]

Returns a stream over the lines of this byte stream. Read more

fn split(self, byte: u8) -> Split<Self> where
    Self: Sized, [src]

Returns a stream over the contents of this reader split on the specified byte. Read more

impl<R> AsyncReadExt for R where
    R: AsyncRead + ?Sized, [src]

fn read<'a>(&'a mut self, buf: &'a mut [u8]) -> ReadFuture<'a, Self>ⓘ

Notable traits for ReadFuture<'_, R>

impl<R: AsyncRead + Unpin + ?Sized> Future for ReadFuture<'_, R> type Output = Result<usize>;
 where
    Self: Unpin, [src]

Reads some bytes from the byte stream. Read more

fn read_vectored<'a>(
    &'a mut self,
    bufs: &'a mut [IoSliceMut<'a>]
) -> ReadVectoredFuture<'a, Self>ⓘ

Notable traits for ReadVectoredFuture<'_, R>

impl<R: AsyncRead + Unpin + ?Sized> Future for ReadVectoredFuture<'_, R> type Output = Result<usize>;
 where
    Self: Unpin, [src]

Like read(), except it reads into a slice of buffers. Read more

fn read_to_end<'a>(
    &'a mut self,
    buf: &'a mut Vec<u8>
) -> ReadToEndFuture<'a, Self>ⓘ

Notable traits for ReadToEndFuture<'_, R>

impl<R: AsyncRead + Unpin + ?Sized> Future for ReadToEndFuture<'_, R> type Output = Result<usize>;
 where
    Self: Unpin, [src]

Reads the entire contents and appends them to a Vec. Read more

fn read_to_string<'a>(
    &'a mut self,
    buf: &'a mut String
) -> ReadToStringFuture<'a, Self>ⓘ

Notable traits for ReadToStringFuture<'_, R>

impl<R: AsyncRead + Unpin + ?Sized> Future for ReadToStringFuture<'_, R> type Output = Result<usize>;
 where
    Self: Unpin, [src]

Reads the entire contents and appends them to a String. Read more

fn read_exact<'a>(&'a mut self, buf: &'a mut [u8]) -> ReadExactFuture<'a, Self>ⓘ

Notable traits for ReadExactFuture<'_, R>

impl<R: AsyncRead + Unpin + ?Sized> Future for ReadExactFuture<'_, R> type Output = Result<()>;
 where
    Self: Unpin, [src]

Reads the exact number of bytes required to fill buf. Read more

fn take(self, limit: u64) -> Take<Self> where
    Self: Sized, [src]

Creates an adapter which will read at most limit bytes from it. Read more

fn bytes(self) -> Bytes<Self> where
    Self: Sized, [src]

Converts this AsyncRead into a Stream of bytes. Read more

fn chain<R: AsyncRead>(self, next: R) -> Chain<Self, R> where
    Self: Sized, [src]

Creates an adapter which will chain this stream with another. Read more

fn boxed_reader<'a>(self) -> Pin<Box<dyn AsyncRead + Send + 'a>> where
    Self: Sized + Send + 'a, [src]

Boxes the reader and changes its type to dyn AsyncRead + Send + 'a. Read more

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

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

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

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

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

pub fn from(t: T) -> T[src]

Performs the conversion.

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

pub fn into(self) -> U[src]

Performs the conversion.

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.

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]

Performs the conversion.

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.

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]

Performs the conversion.