Struct wasmtime_wasi::sync::stdio::Stderr [−][src]
pub struct Stderr(_);Trait Implementations
pub fn datasync<'life0, 'async_trait>(
&'life0 self
) -> Pin<Box<dyn Future<Output = Result<(), Error>> + Send + 'async_trait, Global>> where
'life0: 'async_trait,
Stderr: 'async_trait,
pub fn sync<'life0, 'async_trait>(
&'life0 self
) -> Pin<Box<dyn Future<Output = Result<(), Error>> + Send + 'async_trait, Global>> where
'life0: 'async_trait,
Stderr: 'async_trait,
pub fn get_filetype<'life0, 'async_trait>(
&'life0 self
) -> Pin<Box<dyn Future<Output = Result<FileType, Error>> + Send + 'async_trait, Global>> where
'life0: 'async_trait,
Stderr: 'async_trait,
pub fn get_fdflags<'life0, 'async_trait>(
&'life0 self
) -> Pin<Box<dyn Future<Output = Result<FdFlags, Error>> + Send + 'async_trait, Global>> where
'life0: 'async_trait,
Stderr: 'async_trait,
pub fn set_fdflags<'life0, 'async_trait>(
&'life0 mut self,
_fdflags: FdFlags
) -> Pin<Box<dyn Future<Output = Result<(), Error>> + Send + 'async_trait, Global>> where
'life0: 'async_trait,
Stderr: 'async_trait,
pub fn get_filestat<'life0, 'async_trait>(
&'life0 self
) -> Pin<Box<dyn Future<Output = Result<Filestat, Error>> + Send + 'async_trait, Global>> where
'life0: 'async_trait,
Stderr: 'async_trait,
pub fn set_filestat_size<'life0, 'async_trait>(
&'life0 self,
_size: u64
) -> Pin<Box<dyn Future<Output = Result<(), Error>> + Send + 'async_trait, Global>> where
'life0: 'async_trait,
Stderr: 'async_trait,
pub fn advise<'life0, 'async_trait>(
&'life0 self,
_offset: u64,
_len: u64,
_advice: Advice
) -> Pin<Box<dyn Future<Output = Result<(), Error>> + Send + 'async_trait, Global>> where
'life0: 'async_trait,
Stderr: 'async_trait,
pub fn allocate<'life0, 'async_trait>(
&'life0 self,
_offset: u64,
_len: u64
) -> Pin<Box<dyn Future<Output = Result<(), Error>> + Send + 'async_trait, Global>> where
'life0: 'async_trait,
Stderr: 'async_trait,
pub fn read_vectored<'a, 'life0, 'life1, 'async_trait>(
&'life0 self,
_bufs: &'life1 mut [IoSliceMut<'a>]
) -> Pin<Box<dyn Future<Output = Result<u64, Error>> + Send + 'async_trait, Global>> where
'a: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
Stderr: 'async_trait,
pub fn read_vectored_at<'a, 'life0, 'life1, 'async_trait>(
&'life0 self,
_bufs: &'life1 mut [IoSliceMut<'a>],
_offset: u64
) -> Pin<Box<dyn Future<Output = Result<u64, Error>> + Send + 'async_trait, Global>> where
'a: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
Stderr: 'async_trait,
pub fn write_vectored<'a, 'life0, 'life1, 'async_trait>(
&'life0 self,
bufs: &'life1 [IoSlice<'a>]
) -> Pin<Box<dyn Future<Output = Result<u64, Error>> + Send + 'async_trait, Global>> where
'a: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
Stderr: 'async_trait,
pub fn write_vectored_at<'a, 'life0, 'life1, 'async_trait>(
&'life0 self,
_bufs: &'life1 [IoSlice<'a>],
_offset: u64
) -> Pin<Box<dyn Future<Output = Result<u64, Error>> + Send + 'async_trait, Global>> where
'a: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
Stderr: 'async_trait,
pub fn seek<'life0, 'async_trait>(
&'life0 self,
_pos: SeekFrom
) -> Pin<Box<dyn Future<Output = Result<u64, Error>> + Send + 'async_trait, Global>> where
'life0: 'async_trait,
Stderr: 'async_trait,
pub fn peek<'life0, 'life1, 'async_trait>(
&'life0 self,
_buf: &'life1 mut [u8]
) -> Pin<Box<dyn Future<Output = Result<u64, Error>> + Send + 'async_trait, Global>> where
'life0: 'async_trait,
'life1: 'async_trait,
Stderr: 'async_trait,
pub fn set_times<'life0, 'async_trait>(
&'life0 self,
atime: Option<SystemTimeSpec>,
mtime: Option<SystemTimeSpec>
) -> Pin<Box<dyn Future<Output = Result<(), Error>> + Send + 'async_trait, Global>> where
'life0: 'async_trait,
Stderr: 'async_trait,
pub fn num_ready_bytes<'life0, 'async_trait>(
&'life0 self
) -> Pin<Box<dyn Future<Output = Result<u64, Error>> + Send + 'async_trait, Global>> where
'life0: 'async_trait,
Stderr: 'async_trait,
Auto Trait Implementations
impl RefUnwindSafe for Stderr
impl UnwindSafe for Stderr
Blanket Implementations
pub fn as_filelike(&self) -> BorrowedFd<'_>
pub fn as_filelike(&self) -> BorrowedFd<'_>
Borrows the reference. Read more
pub fn as_filelike_view<Target>(&self) -> FilelikeView<'_, Target> where
Target: FromFilelike + IntoFilelike,
pub fn as_filelike_view<Target>(&self) -> FilelikeView<'_, Target> where
Target: FromFilelike + IntoFilelike,
Return a borrowing view of a resource which dereferences to a &Target
or &mut Target. Read more
pub fn as_grip(&self) -> BorrowedFd<'_>
pub fn as_grip(&self) -> BorrowedFd<'_>
Extracts the grip.
pub fn as_socketlike(&self) -> BorrowedFd<'_>
pub fn as_socketlike(&self) -> BorrowedFd<'_>
Borrows the reference.
pub fn as_socketlike_view<Target>(&self) -> FilelikeView<'_, Target> where
Target: FromSocketlike + IntoSocketlike,
pub fn as_socketlike_view<Target>(&self) -> FilelikeView<'_, Target> where
Target: FromSocketlike + IntoSocketlike,
Return a borrowing view of a resource which dereferences to a &Target
or &mut Target. Read more
Mutably borrows from an owned value. Read more
Announce the expected access pattern of the data at the given offset.
Allocate space in the file, increasing the file size as needed, and ensuring that there are no holes under the given range. Read more
Pull some bytes from this source into the specified buffer, returning how many bytes were read. Read more
Read the exact number of bytes required to fill buf. Read more
Reads a number of bytes starting from a given offset. Read more
Reads the exact number of byte required to fill buf from the given offset. Read more
pub fn read_vectored(&self, bufs: &mut [IoSliceMut<'_>]) -> Result<usize, Error>
pub fn read_vectored(&self, bufs: &mut [IoSliceMut<'_>]) -> Result<usize, Error>
Like read, except that it reads into a slice of buffers. Read more
pub fn read_vectored_at(
&self,
bufs: &mut [IoSliceMut<'_>],
offset: u64
) -> Result<usize, Error>
pub fn read_vectored_at(
&self,
bufs: &mut [IoSliceMut<'_>],
offset: u64
) -> Result<usize, Error>
Is to read_vectored what read_at is to read.
pub fn is_read_vectored_at(&self) -> bool
pub fn is_read_vectored_at(&self) -> bool
Determines if this Reader has an efficient read_vectored_at
implementation. Read more
Read all bytes until EOF in this source, placing them into buf. Read more
Read all bytes, starting at offset, until EOF in this source, placing
them into buf. Read more
pub fn read_to_string(&self, buf: &mut String) -> Result<usize, Error>
pub fn read_to_string(&self, buf: &mut String) -> Result<usize, Error>
Read all bytes until EOF in this source, appending them to buf. Read more
Read all bytes, starting at offset, until EOF in this source,
appending them to buf. Read more
Read bytes from the current position without advancing the current position. Read more
Write a buffer into this writer, returning how many bytes were written. Read more
Attempts to write an entire buffer into this writer. Read more
Writes a number of bytes starting from a given offset. Read more
Attempts to write an entire buffer starting from a given offset. Read more
Like write, except that it writes from a slice of buffers. Read more
Is to write_vectored what write_at is to write.
pub fn is_write_vectored_at(&self) -> bool
pub fn is_write_vectored_at(&self) -> bool
Determines if this Writer has an efficient write_vectored_at
implementation. Read more
Flush this output stream, ensuring that all intermediately buffered contents reach their destination. Read more
Writes a formatted string into this writer, returning any error encountered. Read more
Seek to an offset, in bytes, in a stream. Read more
pub fn stream_position(&self) -> Result<u64, Error>
pub fn stream_position(&self) -> Result<u64, Error>
Returns the current seek position from the start of the stream. Read more
fn read_exact_vectored(&self, bufs: &mut [IoSliceMut<'_>]) -> Result<(), Error>
fn read_exact_vectored(&self, bufs: &mut [IoSliceMut<'_>]) -> Result<(), Error>
Is to read_vectored what read_exact is to read.
fn read_exact_vectored_at(
&self,
bufs: &mut [IoSliceMut<'_>],
offset: u64
) -> Result<(), Error>
fn read_exact_vectored_at(
&self,
bufs: &mut [IoSliceMut<'_>],
offset: u64
) -> Result<(), Error>
Is to read_exact_vectored what read_exact_at is to read_exact.
Is to write_vectored what write_all is to write.
pub fn get_fd_flags(&self) -> Result<FdFlags, Error> where
T: AsFilelike,
pub fn get_fd_flags(&self) -> Result<FdFlags, Error> where
T: AsFilelike,
Query the “status” flags for the self file descriptor.
pub fn new_set_fd_flags(
&self,
fd_flags: FdFlags
) -> Result<SetFdFlags<T>, Error> where
T: AsFilelike,
pub fn new_set_fd_flags(
&self,
fd_flags: FdFlags
) -> Result<SetFdFlags<T>, Error> where
T: AsFilelike,
Create a new SetFdFlags value for use with set_fd_flags. Read more
pub fn set_fd_flags(&mut self, set_fd_flags: SetFdFlags<T>) -> Result<(), Error> where
T: AsFilelike,
pub fn set_fd_flags(&mut self, set_fd_flags: SetFdFlags<T>) -> Result<(), Error> where
T: AsFilelike,
Set the “status” flags for the self file descriptor. Read more
Instruments this type with the provided Span, returning an
Instrumented wrapper. Read more
pub fn is_terminal(&self) -> bool
pub fn is_terminal(&self) -> bool
Test whether this output stream is attached to a terminal. Read more
pub fn vzip(self) -> V
Attaches the provided Subscriber to this type, returning a
WithDispatch wrapper. Read more
Attaches the current default Subscriber to this type, returning a
WithDispatch wrapper. Read more