Struct std::process::ChildStderr
1.0.0 · source · [−]pub struct ChildStderr { /* private fields */ }
Expand description
Trait Implementations
sourceimpl AsFd for ChildStderr
Available on Unix only.
impl AsFd for ChildStderr
sourceimpl AsHandle for ChildStderr
Available on Windows only.
impl AsHandle for ChildStderr
1.2.0 · sourceimpl AsRawFd for ChildStderr
Available on Unix only.
impl AsRawFd for ChildStderr
1.2.0 · sourceimpl AsRawHandle for ChildStderr
Available on Windows only.
impl AsRawHandle for ChildStderr
sourcefn as_raw_handle(&self) -> RawHandle
fn as_raw_handle(&self) -> RawHandle
Extracts the raw handle. Read more
1.16.0 · sourceimpl Debug for ChildStderr
impl Debug for ChildStderr
sourceimpl From<ChildStderr> for OwnedFd
Available on Unix only.
impl From<ChildStderr> for OwnedFd
sourcefn from(child_stderr: ChildStderr) -> OwnedFd
fn from(child_stderr: ChildStderr) -> OwnedFd
Converts to this type from the input type.
sourceimpl From<ChildStderr> for OwnedHandle
Available on Windows only.
impl From<ChildStderr> for OwnedHandle
sourcefn from(child_stderr: ChildStderr) -> OwnedHandle
fn from(child_stderr: ChildStderr) -> OwnedHandle
Converts to this type from the input type.
1.20.0 · sourceimpl From<ChildStderr> for Stdio
impl From<ChildStderr> for Stdio
sourcefn from(child: ChildStderr) -> Stdio
fn from(child: ChildStderr) -> Stdio
Converts a ChildStderr
into a Stdio
.
Examples
use std::process::{Command, Stdio};
let reverse = Command::new("rev")
.arg("non_existing_file.txt")
.stderr(Stdio::piped())
.spawn()
.expect("failed reverse command");
let cat = Command::new("cat")
.arg("-")
.stdin(reverse.stderr.unwrap()) // Converted into a Stdio here
.output()
.expect("failed echo command");
assert_eq!(
String::from_utf8_lossy(&cat.stdout),
"rev: cannot open non_existing_file.txt: No such file or directory\n"
);
Run1.4.0 · sourceimpl IntoRawFd for ChildStderr
Available on Unix only.
impl IntoRawFd for ChildStderr
sourcefn into_raw_fd(self) -> RawFd
fn into_raw_fd(self) -> RawFd
Consumes this object, returning the raw underlying file descriptor. Read more
1.4.0 · sourceimpl IntoRawHandle for ChildStderr
Available on Windows only.
impl IntoRawHandle for ChildStderr
sourcefn into_raw_handle(self) -> RawHandle
fn into_raw_handle(self) -> RawHandle
Consumes this object, returning the raw underlying handle. Read more
sourceimpl Read for ChildStderr
impl Read for ChildStderr
sourcefn read(&mut self, buf: &mut [u8]) -> Result<usize>
fn read(&mut self, buf: &mut [u8]) -> Result<usize>
Pull some bytes from this source into the specified buffer, returning how many bytes were read. Read more
sourcefn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> Result<usize>
fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> Result<usize>
Like read
, except that it reads into a slice of buffers. Read more
sourcefn is_read_vectored(&self) -> bool
fn is_read_vectored(&self) -> bool
Determines if this Read
er has an efficient read_vectored
implementation. Read more
sourcefn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize>
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize>
Read all bytes until EOF in this source, placing them into buf
. Read more
sourcefn read_to_string(&mut self, buf: &mut String) -> Result<usize>
fn read_to_string(&mut self, buf: &mut String) -> Result<usize>
Read all bytes until EOF in this source, appending them to buf
. Read more
1.6.0 · sourcefn read_exact(&mut self, buf: &mut [u8]) -> Result<()>
fn read_exact(&mut self, buf: &mut [u8]) -> Result<()>
Read the exact number of bytes required to fill buf
. Read more
sourcefn read_buf(&mut self, buf: &mut ReadBuf<'_>) -> Result<()>
fn read_buf(&mut self, buf: &mut ReadBuf<'_>) -> Result<()>
Pull some bytes from this source into the specified buffer. Read more
sourcefn read_buf_exact(&mut self, buf: &mut ReadBuf<'_>) -> Result<()>
fn read_buf_exact(&mut self, buf: &mut ReadBuf<'_>) -> Result<()>
Read the exact number of bytes required to fill buf
. Read more
sourcefn by_ref(&mut self) -> &mut Self where
Self: Sized,
fn by_ref(&mut self) -> &mut Self where
Self: Sized,
Creates a “by reference” adaptor for this instance of Read
. Read more
sourcefn bytes(self) -> Bytes<Self>ⓘNotable traits for Bytes<R>impl<R: Read> Iterator for Bytes<R> type Item = Result<u8>;
where
Self: Sized,
fn bytes(self) -> Bytes<Self>ⓘNotable traits for Bytes<R>impl<R: Read> Iterator for Bytes<R> type Item = Result<u8>;
where
Self: Sized,
Auto Trait Implementations
impl RefUnwindSafe for ChildStderr
impl Send for ChildStderr
impl Sync for ChildStderr
impl Unpin for ChildStderr
impl UnwindSafe for ChildStderr
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more