pub struct AsyncStdFile { /* private fields */ }
Expand description
Async-std specific RuntimeFile
implementation.
Trait Implementations§
Source§impl AsFd for AsyncStdFile
impl AsFd for AsyncStdFile
Source§fn as_fd(&self) -> BorrowedFd<'_>
fn as_fd(&self) -> BorrowedFd<'_>
Borrows the file descriptor. Read more
Source§impl AsRawFd for AsyncStdFile
impl AsRawFd for AsyncStdFile
Source§impl AsyncRead for AsyncStdFile
impl AsyncRead for AsyncStdFile
Source§impl AsyncSeek for AsyncStdFile
impl AsyncSeek for AsyncStdFile
Source§impl AsyncWrite for AsyncStdFile
impl AsyncWrite for AsyncStdFile
Source§fn poll_write(
self: Pin<&mut Self>,
cx: &mut Context<'_>,
buf: &[u8],
) -> Poll<Result<usize>>
fn poll_write( self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &[u8], ) -> Poll<Result<usize>>
Attempt to write bytes from
buf
into the object. Read moreSource§fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<()>>
fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<()>>
Attempt to flush the object, ensuring that any buffered data reach
their destination. Read more
Source§impl From<OwnedFd> for AsyncStdFile
impl From<OwnedFd> for AsyncStdFile
Source§impl RuntimeFile for AsyncStdFile
impl RuntimeFile for AsyncStdFile
Source§type Runtime = AsyncStdGlobalRuntime
type Runtime = AsyncStdGlobalRuntime
An async runtime.
Source§fn open(
_runtime: &Self::Runtime,
open_options: &OpenOptions,
path: impl AsRef<Path>,
) -> impl Future<Output = Result<Self>> + Sendwhere
Self: Sized,
fn open(
_runtime: &Self::Runtime,
open_options: &OpenOptions,
path: impl AsRef<Path>,
) -> impl Future<Output = Result<Self>> + Sendwhere
Self: Sized,
Attempts to open a file with specified
OpenOptions
. Read moreSource§fn set_len(&self, size: u64) -> impl Future<Output = Result<()>> + Send
fn set_len(&self, size: u64) -> impl Future<Output = Result<()>> + Send
Truncates or extends the underlying file, updating the size of
this file to become
size
. Read moreSource§fn metadata(&self) -> impl Future<Output = Result<Metadata>> + Send
fn metadata(&self) -> impl Future<Output = Result<Metadata>> + Send
Queries metadata about the underlying file. Read more
Source§fn sync_all(&self) -> impl Future<Output = Result<()>> + Send
fn sync_all(&self) -> impl Future<Output = Result<()>> + Send
Attempts to sync all OS-internal file content and metadata to disk. Read more
Source§fn sync_data(&self) -> impl Future<Output = Result<()>> + Send
fn sync_data(&self) -> impl Future<Output = Result<()>> + Send
This function is similar to
RuntimeFile::sync_all
, except that it might not
synchronize file metadata to the filesystem. Read moreSource§fn set_permissions(
&self,
permissions: Permissions,
) -> impl Future<Output = Result<()>> + Send
fn set_permissions( &self, permissions: Permissions, ) -> impl Future<Output = Result<()>> + Send
Changes the permissions on the underlying file. Read more
Auto Trait Implementations§
impl Freeze for AsyncStdFile
impl !RefUnwindSafe for AsyncStdFile
impl Send for AsyncStdFile
impl Sync for AsyncStdFile
impl Unpin for AsyncStdFile
impl !UnwindSafe for AsyncStdFile
Blanket Implementations§
Source§impl<T> AsSource for Twhere
T: AsFd,
impl<T> AsSource for Twhere
T: AsFd,
Source§fn source(&self) -> BorrowedFd<'_>
fn source(&self) -> BorrowedFd<'_>
Returns the borrowed file descriptor.
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<S> AsyncSeekExt for S
impl<S> AsyncSeekExt for S
Source§impl<S> AsyncSeekExt for S
impl<S> AsyncSeekExt for S
Source§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§fn flush(&mut self) -> FlushFuture<'_, Self>where
Self: Unpin,
fn flush(&mut self) -> FlushFuture<'_, Self>where
Self: Unpin,
Flushes the stream to ensure that all buffered contents reach their destination. Read more
Source§fn boxed_writer<'a>(self) -> Pin<Box<dyn AsyncWrite + Send + 'a>>
fn boxed_writer<'a>(self) -> Pin<Box<dyn AsyncWrite + Send + 'a>>
Boxes the writer and changes its type to
dyn AsyncWrite + Send + 'a
. Read moreSource§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
Source§impl<T> Instrument for T
impl<T> Instrument for T
Source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
Source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
Source§impl<T> ReadExt for T
impl<T> ReadExt for T
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,
Reads all bytes from the byte stream. Read more
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,
Reads all bytes from the byte stream and appends them into a string. Read more
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 adaptor which will read at most
limit
bytes from it. Read moreSource§fn by_ref(&mut self) -> &mut Selfwhere
Self: Sized,
fn by_ref(&mut self) -> &mut Selfwhere
Self: Sized,
Creates a “by reference” adaptor for this instance of
Read
. Read moreSource§impl<T> WithSubscriber for T
impl<T> WithSubscriber for T
Source§fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
Source§fn with_current_subscriber(self) -> WithDispatch<Self>
fn with_current_subscriber(self) -> WithDispatch<Self>
Source§impl<T> WriteExt for Twhere
T: AsyncWrite + ?Sized,
impl<T> WriteExt for Twhere
T: 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 flush(&mut self) -> FlushFuture<'_, Self>where
Self: Unpin,
fn flush(&mut self) -> FlushFuture<'_, Self>where
Self: Unpin,
Flushes the stream to ensure that all buffered contents reach their destination. Read more