elaborate 1.2.0

// This file was automatically generated by `elaborate`.
// https://github.com/trailofbits/elaborate

#[allow(unused_imports)]
use anyhow::Context;



pub trait ChildContext {
/// Attempts to collect the exit status of the child if it has already
/// exited.
/// 
/// This function will not block the calling thread and will only
/// check to see if the child process has exited or not. If the child has
/// exited then on Unix the process ID is reaped. This function is
/// guaranteed to repeatedly return a successful exit status so long as the
/// child has already exited.
/// 
/// If the child has exited, then `Ok(Some(status))` is returned. If the
/// exit status is not available at this time then `Ok(None)` is returned.
/// If an error occurs, then that error is returned.
/// 
/// Note that unlike `wait`, this function will not attempt to drop stdin.
/// 
/// # Examples
/// 
/// ```no_run
/// use std::process::Command;
/// 
/// let mut child = Command::new("ls").spawn()?;
/// 
/// match child.try_wait() {
///     Ok(Some(status)) => println!("exited with: {status}"),
///     Ok(None) => {
///         println!("status not ready yet, let's really wait");
///         let res = child.wait();
///         println!("result: {res:?}");
///     }
///     Err(e) => println!("error attempting to wait: {e}"),
/// }
/// # std::io::Result::Ok(())
/// ```
fn try_wait_wc ( & mut self ) -> crate :: rewrite_output_type ! ( std :: io :: Result < core :: option :: Option < std :: process :: ExitStatus > > );
/// Forces the child process to exit. If the child has already exited, `Ok(())`
/// is returned.
/// 
/// The mapping to [`ErrorKind`]s is not part of the compatibility contract of the function.
/// 
/// This is equivalent to sending a SIGKILL on Unix platforms.
/// 
/// # Examples
/// 
/// ```no_run
/// use std::process::Command;
/// 
/// let mut command = Command::new("yes");
/// if let Ok(mut child) = command.spawn() {
///     child.kill().expect("command couldn't be killed");
/// } else {
///     println!("yes command didn't start");
/// }
/// ```
/// 
/// [`ErrorKind`]: io::ErrorKind
/// [`InvalidInput`]: io::ErrorKind::InvalidInput
fn kill_wc ( & mut self ) -> crate :: rewrite_output_type ! ( std :: io :: Result < ( ) > );
/// Simultaneously waits for the child to exit and collect all remaining
/// output on the stdout/stderr handles, returning an `Output`
/// instance.
/// 
/// The stdin handle to the child process, if any, will be closed
/// before waiting. This helps avoid deadlock: it ensures that the
/// child does not block waiting for input from the parent, while
/// the parent waits for the child to exit.
/// 
/// By default, stdin, stdout and stderr are inherited from the parent.
/// In order to capture the output into this `Result<Output>` it is
/// necessary to create new pipes between parent and child. Use
/// `stdout(Stdio::piped())` or `stderr(Stdio::piped())`, respectively.
/// 
/// # Examples
/// 
/// ```should_panic
/// use std::process::{Command, Stdio};
/// 
/// let child = Command::new("/bin/cat")
///     .arg("file.txt")
///     .stdout(Stdio::piped())
///     .spawn()
///     .expect("failed to execute child");
/// 
/// let output = child
///     .wait_with_output()
///     .expect("failed to wait on child");
/// 
/// assert!(output.status.success());
/// ```
fn wait_with_output_wc ( self ) -> crate :: rewrite_output_type ! ( std :: io :: Result < std :: process :: Output > );
/// Waits for the child to exit completely, returning the status that it
/// exited with. This function will continue to have the same return value
/// after it has been called at least once.
/// 
/// The stdin handle to the child process, if any, will be closed
/// before waiting. This helps avoid deadlock: it ensures that the
/// child does not block waiting for input from the parent, while
/// the parent waits for the child to exit.
/// 
/// # Examples
/// 
/// ```no_run
/// use std::process::Command;
/// 
/// let mut command = Command::new("ls");
/// if let Ok(mut child) = command.spawn() {
///     child.wait().expect("command wasn't running");
///     println!("Child has finished its execution!");
/// } else {
///     println!("ls command didn't start");
/// }
/// ```
fn wait_wc ( & mut self ) -> crate :: rewrite_output_type ! ( std :: io :: Result < std :: process :: ExitStatus > );
}
impl ChildContext for std :: process :: Child {
fn try_wait_wc ( & mut self ) -> crate :: rewrite_output_type ! ( std :: io :: Result < core :: option :: Option < std :: process :: ExitStatus > > ) {
    std :: process :: Child :: try_wait(self)
        .with_context(|| crate::call_failed!(Some(self), "try_wait"))
}
fn kill_wc ( & mut self ) -> crate :: rewrite_output_type ! ( std :: io :: Result < ( ) > ) {
    std :: process :: Child :: kill(self)
        .with_context(|| crate::call_failed!(Some(self), "kill"))
}
fn wait_with_output_wc ( self ) -> crate :: rewrite_output_type ! ( std :: io :: Result < std :: process :: Output > ) {
    std :: process :: Child :: wait_with_output(self)
        .with_context(|| crate::call_failed!(Some(crate::CustomDebugMessage("value of type std::process::Child")), "wait_with_output"))
}
fn wait_wc ( & mut self ) -> crate :: rewrite_output_type ! ( std :: io :: Result < std :: process :: ExitStatus > ) {
    std :: process :: Child :: wait(self)
        .with_context(|| crate::call_failed!(Some(self), "wait"))
}
}
pub trait CommandContext {
/// Executes a command as a child process, waiting for it to finish and
/// collecting its status.
/// 
/// By default, stdin, stdout and stderr are inherited from the parent.
/// 
/// # Examples
/// 
/// ```should_panic
/// use std::process::Command;
/// 
/// let status = Command::new("/bin/cat")
///     .arg("file.txt")
///     .status()
///     .expect("failed to execute process");
/// 
/// println!("process finished with: {status}");
/// 
/// assert!(status.success());
/// ```
fn status_wc ( & mut self ) -> crate :: rewrite_output_type ! ( std :: io :: Result < std :: process :: ExitStatus > );
/// Executes the command as a child process, returning a handle to it.
/// 
/// By default, stdin, stdout and stderr are inherited from the parent.
/// 
/// # Examples
/// 
/// ```no_run
/// use std::process::Command;
/// 
/// Command::new("ls")
///     .spawn()
///     .expect("ls command failed to start");
/// ```
fn spawn_wc ( & mut self ) -> crate :: rewrite_output_type ! ( std :: io :: Result < std :: process :: Child > );
/// Executes the command as a child process, waiting for it to finish and
/// collecting all of its output.
/// 
/// By default, stdout and stderr are captured (and used to provide the
/// resulting output). Stdin is not inherited from the parent and any
/// attempt by the child process to read from the stdin stream will result
/// in the stream immediately closing.
/// 
/// # Examples
/// 
/// ```should_panic
/// use std::process::Command;
/// use std::io::{self, Write};
/// let output = Command::new("/bin/cat")
///     .arg("file.txt")
///     .output()?;
/// 
/// println!("status: {}", output.status);
/// io::stdout().write_all(&output.stdout)?;
/// io::stderr().write_all(&output.stderr)?;
/// 
/// assert!(output.status.success());
/// # io::Result::Ok(())
/// ```
fn output_wc ( & mut self ) -> crate :: rewrite_output_type ! ( std :: io :: Result < std :: process :: Output > );
/// Returns the working directory for the child process.
/// 
/// This returns [`None`] if the working directory will not be changed.
/// 
/// # Examples
/// 
/// ```
/// use std::path::Path;
/// use std::process::Command;
/// 
/// let mut cmd = Command::new("ls");
/// assert_eq!(cmd.get_current_dir(), None);
/// cmd.current_dir("/bin");
/// assert_eq!(cmd.get_current_dir(), Some(Path::new("/bin")));
/// ```
fn get_current_dir_wc ( & self ) -> crate :: rewrite_output_type ! ( core :: option :: Option < & std :: path :: Path > );
}
impl CommandContext for std :: process :: Command {
fn status_wc ( & mut self ) -> crate :: rewrite_output_type ! ( std :: io :: Result < std :: process :: ExitStatus > ) {
    std :: process :: Command :: status(self)
        .with_context(|| crate::call_failed!(Some(self), "status"))
}
fn spawn_wc ( & mut self ) -> crate :: rewrite_output_type ! ( std :: io :: Result < std :: process :: Child > ) {
    std :: process :: Command :: spawn(self)
        .with_context(|| crate::call_failed!(Some(self), "spawn"))
}
fn output_wc ( & mut self ) -> crate :: rewrite_output_type ! ( std :: io :: Result < std :: process :: Output > ) {
    std :: process :: Command :: output(self)
        .with_context(|| crate::call_failed!(Some(self), "output"))
}
fn get_current_dir_wc ( & self ) -> crate :: rewrite_output_type ! ( core :: option :: Option < & std :: path :: Path > ) {
    std :: process :: Command :: get_current_dir(self)
        .with_context(|| crate::call_failed!(Some(self), "get_current_dir"))
}
}
pub trait ExitStatusContext {
/// Returns the exit code of the process, if any.
/// 
/// In Unix terms the return value is the **exit status**: the value passed to `exit`, if the
/// process finished by calling `exit`.  Note that on Unix the exit status is truncated to 8
/// bits, and that values that didn't come from a program's call to `exit` may be invented by the
/// runtime system (often, for example, 255, 254, 127 or 126).
/// 
/// On Unix, this will return `None` if the process was terminated by a signal.
/// [`ExitStatusExt`](crate::os::unix::process::ExitStatusExt) is an
/// extension trait for extracting any such signal, and other details, from the `ExitStatus`.
/// 
/// # Examples
/// 
/// ```no_run
/// use std::process::Command;
/// 
/// let status = Command::new("mkdir")
///     .arg("projects")
///     .status()
///     .expect("failed to execute mkdir");
/// 
/// match status.code() {
///     Some(code) => println!("Exited with status code: {code}"),
///     None => println!("Process terminated by signal")
/// }
/// ```
fn code_wc ( & self ) -> crate :: rewrite_output_type ! ( core :: option :: Option < i32 > );
/// Was termination successful?  Returns a `Result`.
/// 
/// # Examples
/// 
/// ```
/// #![feature(exit_status_error)]
/// # if cfg!(all(unix, not(all(target_vendor = "apple", not(target_os = "macos"))))) {
/// use std::process::Command;
/// 
/// let status = Command::new("ls")
///     .arg("/dev/nonexistent")
///     .status()
///     .expect("ls could not be executed");
/// 
/// println!("ls: {status}");
/// status.exit_ok().expect_err("/dev/nonexistent could be listed!");
/// # } // cfg!(unix)
/// ```
#[cfg(feature = "exit_status_error")]
fn exit_ok_wc ( & self ) -> crate :: rewrite_output_type ! ( core :: result :: Result < ( ) , std :: process :: ExitStatusError > );
}
impl ExitStatusContext for std :: process :: ExitStatus {
fn code_wc ( & self ) -> crate :: rewrite_output_type ! ( core :: option :: Option < i32 > ) {
    std :: process :: ExitStatus :: code(self)
        .with_context(|| crate::call_failed!(Some(self), "code"))
}
#[cfg(feature = "exit_status_error")]
fn exit_ok_wc ( & self ) -> crate :: rewrite_output_type ! ( core :: result :: Result < ( ) , std :: process :: ExitStatusError > ) {
    std :: process :: ExitStatus :: exit_ok(self)
        .with_context(|| crate::call_failed!(Some(self), "exit_ok"))
}
}
#[cfg(feature = "exit_status_error")]
pub trait ExitStatusErrorContext {
/// Reports the exit code, if applicable, from an `ExitStatusError`, as a [`NonZero`].
/// 
/// This is exactly like [`code()`](Self::code), except that it returns a <code>[NonZero]<[i32]></code>.
/// 
/// Plain `code`, returning a plain integer, is provided because it is often more convenient.
/// The returned value from `code()` is indeed also nonzero; use `code_nonzero()` when you want
/// a type-level guarantee of nonzeroness.
/// 
/// # Examples
/// 
/// ```
/// #![feature(exit_status_error)]
/// 
/// # if cfg!(all(unix, not(target_os = "android"), not(all(target_vendor = "apple", not(target_os = "macos"))))) {
/// use std::num::NonZero;
/// use std::process::Command;
/// 
/// let bad = Command::new("false").status().unwrap().exit_ok().unwrap_err();
/// assert_eq!(bad.code_nonzero().unwrap(), NonZero::new(1).unwrap());
/// # } // cfg!(unix)
/// ```
fn code_nonzero_wc ( & self ) -> crate :: rewrite_output_type ! ( core :: option :: Option < core :: num :: NonZero < i32 > > );
/// Reports the exit code, if applicable, from an `ExitStatusError`.
/// 
/// In Unix terms the return value is the **exit status**: the value passed to `exit`, if the
/// process finished by calling `exit`.  Note that on Unix the exit status is truncated to 8
/// bits, and that values that didn't come from a program's call to `exit` may be invented by the
/// runtime system (often, for example, 255, 254, 127 or 126).
/// 
/// On Unix, this will return `None` if the process was terminated by a signal.  If you want to
/// handle such situations specially, consider using methods from
/// [`ExitStatusExt`](crate::os::unix::process::ExitStatusExt).
/// 
/// If the process finished by calling `exit` with a nonzero value, this will return
/// that exit status.
/// 
/// If the error was something else, it will return `None`.
/// 
/// If the process exited successfully (ie, by calling `exit(0)`), there is no
/// `ExitStatusError`.  So the return value from `ExitStatusError::code()` is always nonzero.
/// 
/// # Examples
/// 
/// ```
/// #![feature(exit_status_error)]
/// # #[cfg(all(unix, not(target_os = "android"), not(all(target_vendor = "apple", not(target_os = "macos")))))] {
/// use std::process::Command;
/// 
/// let bad = Command::new("false").status().unwrap().exit_ok().unwrap_err();
/// assert_eq!(bad.code(), Some(1));
/// # } // #[cfg(unix)]
/// ```
fn code_wc ( & self ) -> crate :: rewrite_output_type ! ( core :: option :: Option < i32 > );
}
#[cfg(feature = "exit_status_error")]
impl ExitStatusErrorContext for std :: process :: ExitStatusError {
fn code_nonzero_wc ( & self ) -> crate :: rewrite_output_type ! ( core :: option :: Option < core :: num :: NonZero < i32 > > ) {
    std :: process :: ExitStatusError :: code_nonzero(self)
        .with_context(|| crate::call_failed!(Some(self), "code_nonzero"))
}
fn code_wc ( & self ) -> crate :: rewrite_output_type ! ( core :: option :: Option < i32 > ) {
    std :: process :: ExitStatusError :: code(self)
        .with_context(|| crate::call_failed!(Some(self), "code"))
}
}
#[cfg(feature = "exit_status_error")]
pub trait OutputContext: Sized {
/// Returns an error if a nonzero exit status was received.
/// 
/// If the [`Command`] exited successfully,
/// `self` is returned.
/// 
/// This is equivalent to calling [`exit_ok`](ExitStatus::exit_ok)
/// on [`Output.status`](Output::status).
/// 
/// Note that this will throw away the [`Output::stderr`] field in the error case.
/// If the child process outputs useful informantion to stderr, you can:
/// * Use `cmd.stderr(Stdio::inherit())` to forward the
///   stderr child process to the parent's stderr,
///   usually printing it to console where the user can see it.
///   This is usually correct for command-line applications.
/// * Capture `stderr` using a custom error type.
///   This is usually correct for libraries.
/// 
/// # Examples
/// 
/// ```
/// #![feature(exit_status_error)]
/// # #[cfg(all(unix, not(target_os = "android"), not(all(target_vendor = "apple", not(target_os = "macos")))))] {
/// use std::process::Command;
/// assert!(Command::new("false").output().unwrap().exit_ok().is_err());
/// # }
/// ```
fn exit_ok_wc ( self ) -> crate :: rewrite_output_type ! ( core :: result :: Result < Self , std :: process :: ExitStatusError > );
}
#[cfg(feature = "exit_status_error")]
impl OutputContext for std :: process :: Output {
fn exit_ok_wc ( self ) -> crate :: rewrite_output_type ! ( core :: result :: Result < Self , std :: process :: ExitStatusError > ) {
    std :: process :: Output :: exit_ok(self)
        .with_context(|| crate::call_failed!(Some(crate::CustomDebugMessage("value of type std::process::Output")), "exit_ok"))
}
}