pub struct File { /* private fields */ }
Expand description
See File
.
Implementations§
Trait Implementations§
Source§impl AsyncRead for File
impl AsyncRead for File
Source§impl AsyncWrite for File
impl AsyncWrite for File
Source§fn poll_write(
self: Pin<&mut Self>,
cx: &mut Context<'_>,
buf: &[u8],
) -> Poll<Result<usize, Error>>
fn poll_write( self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &[u8], ) -> Poll<Result<usize, Error>>
Attempt to write bytes from
buf
into the object. Read moreSource§fn poll_flush(
self: Pin<&mut Self>,
cx: &mut Context<'_>,
) -> Poll<Result<(), Error>>
fn poll_flush( self: Pin<&mut Self>, cx: &mut Context<'_>, ) -> Poll<Result<(), Error>>
Attempt to flush the object, ensuring that any buffered data reach
their destination. Read more
Source§impl Seek for File
impl Seek for File
Source§fn seek(&mut self, pos: SeekFrom) -> Result<u64, Error>
fn seek(&mut self, pos: SeekFrom) -> Result<u64, Error>
Seek to an offset, in bytes, in a stream. Read more
1.55.0 · Source§fn rewind(&mut self) -> Result<(), Error>
fn rewind(&mut self) -> Result<(), Error>
Rewind to the beginning of a stream. Read more
Source§fn stream_len(&mut self) -> Result<u64, Error>
fn stream_len(&mut self) -> Result<u64, Error>
🔬This is a nightly-only experimental API. (
seek_stream_len
)Returns the length of this stream (in bytes). Read more
Auto Trait Implementations§
impl Freeze for File
impl !RefUnwindSafe for File
impl Send for File
impl Sync for File
impl Unpin for File
impl !UnwindSafe for File
Blanket Implementations§
Source§impl<R> AsyncReadExt for R
impl<R> AsyncReadExt for R
Source§fn chain<R>(self, next: R) -> Chain<Self, R>
fn chain<R>(self, next: R) -> Chain<Self, R>
Creates an adaptor which will chain this stream with another. Read more
Source§fn read<'a>(&'a mut self, buf: &'a mut [u8]) -> Read<'a, Self>where
Self: Unpin,
fn read<'a>(&'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 moreSource§fn read_vectored<'a>(
&'a mut self,
bufs: &'a mut [IoSliceMut<'a>],
) -> ReadVectored<'a, Self>where
Self: Unpin,
fn read_vectored<'a>(
&'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 moreSource§fn read_exact<'a>(&'a mut self, buf: &'a mut [u8]) -> ReadExact<'a, Self>where
Self: Unpin,
fn read_exact<'a>(&'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 moreSource§fn read_to_end<'a>(&'a mut self, buf: &'a mut Vec<u8>) -> ReadToEnd<'a, Self>where
Self: Unpin,
fn read_to_end<'a>(&'a mut self, buf: &'a mut Vec<u8>) -> ReadToEnd<'a, Self>where
Self: Unpin,
Creates a future which will read all the bytes from this
AsyncRead
. Read moreSource§fn read_to_string<'a>(
&'a mut self,
buf: &'a mut String,
) -> ReadToString<'a, Self>where
Self: Unpin,
fn read_to_string<'a>(
&'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 moreSource§impl<R> AsyncReadExt for R
impl<R> AsyncReadExt for R
Source§fn read<'a>(&'a mut self, buf: &'a mut [u8]) -> ReadFuture<'a, Self>where
Self: Unpin,
fn read<'a>(&'a mut self, buf: &'a mut [u8]) -> ReadFuture<'a, Self>where
Self: Unpin,
Reads some bytes from the byte stream. Read more
Source§fn read_vectored<'a>(
&'a mut self,
bufs: &'a mut [IoSliceMut<'a>],
) -> ReadVectoredFuture<'a, Self>where
Self: Unpin,
fn read_vectored<'a>(
&'a mut self,
bufs: &'a mut [IoSliceMut<'a>],
) -> ReadVectoredFuture<'a, Self>where
Self: Unpin,
Source§fn read_to_end<'a>(
&'a mut self,
buf: &'a mut Vec<u8>,
) -> ReadToEndFuture<'a, Self>where
Self: Unpin,
fn read_to_end<'a>(
&'a mut self,
buf: &'a mut Vec<u8>,
) -> ReadToEndFuture<'a, Self>where
Self: Unpin,
Source§fn read_to_string<'a>(
&'a mut self,
buf: &'a mut String,
) -> ReadToStringFuture<'a, Self>where
Self: Unpin,
fn read_to_string<'a>(
&'a mut self,
buf: &'a mut String,
) -> ReadToStringFuture<'a, Self>where
Self: Unpin,
Source§fn read_exact<'a>(&'a mut self, buf: &'a mut [u8]) -> ReadExactFuture<'a, Self>where
Self: Unpin,
fn read_exact<'a>(&'a mut self, buf: &'a mut [u8]) -> ReadExactFuture<'a, Self>where
Self: Unpin,
Reads the exact number of bytes required to fill
buf
. Read moreSource§fn take(self, limit: u64) -> Take<Self>where
Self: Sized,
fn take(self, limit: u64) -> Take<Self>where
Self: Sized,
Creates an adapter which will read at most
limit
bytes from it. Read moreSource§impl<W> AsyncWriteExt for Wwhere
W: AsyncWrite + ?Sized,
impl<W> AsyncWriteExt for Wwhere
W: AsyncWrite + ?Sized,
Source§fn flush(&mut self) -> Flush<'_, Self>where
Self: Unpin,
fn flush(&mut self) -> Flush<'_, Self>where
Self: Unpin,
Creates a future which will entirely flush this
AsyncWrite
. Read moreSource§fn close(&mut self) -> Close<'_, Self>where
Self: Unpin,
fn close(&mut self) -> Close<'_, Self>where
Self: Unpin,
Creates a future which will entirely close this
AsyncWrite
.Source§fn write<'a>(&'a mut self, buf: &'a [u8]) -> Write<'a, Self>where
Self: Unpin,
fn write<'a>(&'a mut self, buf: &'a [u8]) -> Write<'a, Self>where
Self: Unpin,
Creates a future which will write bytes from
buf
into the object. Read moreSource§fn write_vectored<'a>(
&'a mut self,
bufs: &'a [IoSlice<'a>],
) -> WriteVectored<'a, Self>where
Self: Unpin,
fn write_vectored<'a>(
&'a mut self,
bufs: &'a [IoSlice<'a>],
) -> WriteVectored<'a, Self>where
Self: Unpin,
Creates a future which will write bytes from
bufs
into the object using vectored
IO operations. Read moreSource§impl<W> AsyncWriteExt for Wwhere
W: AsyncWrite + ?Sized,
impl<W> AsyncWriteExt for Wwhere
W: AsyncWrite + ?Sized,
Source§fn write<'a>(&'a mut self, buf: &'a [u8]) -> WriteFuture<'a, Self>where
Self: Unpin,
fn write<'a>(&'a mut self, buf: &'a [u8]) -> WriteFuture<'a, Self>where
Self: Unpin,
Writes some bytes into the byte stream. Read more
Source§fn write_vectored<'a>(
&'a mut self,
bufs: &'a [IoSlice<'a>],
) -> WriteVectoredFuture<'a, Self>where
Self: Unpin,
fn write_vectored<'a>(
&'a mut self,
bufs: &'a [IoSlice<'a>],
) -> WriteVectoredFuture<'a, Self>where
Self: Unpin,
Source§fn write_all<'a>(&'a mut self, buf: &'a [u8]) -> WriteAllFuture<'a, Self>where
Self: Unpin,
fn write_all<'a>(&'a mut self, buf: &'a [u8]) -> WriteAllFuture<'a, Self>where
Self: Unpin,
Writes an entire buffer into the byte stream. Read more
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more