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std: Stabilize command_access #88436

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Oct 9, 2021
Merged

std: Stabilize command_access #88436

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std: Stabilize command_access
lf- Aug 28, 2021
5e1941c
Apply suggestions from code review
yaahc Oct 5, 2021
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20 changes: 8 additions & 12 deletions library/std/src/process.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -115,7 +115,7 @@ use crate::path::Path;
use crate::str;
use crate::sys::pipe::{read2, AnonPipe};
use crate::sys::process as imp;
#[unstable(feature = "command_access", issue = "44434")]
#[stable(feature = "command_access", since = "1.57.0")]
pub use crate::sys_common::process::CommandEnvs;
use crate::sys_common::{AsInner, AsInnerMut, FromInner, IntoInner};

Expand Down Expand Up @@ -943,13 +943,12 @@ impl Command {
/// # Examples
///
/// ```
/// # #![feature(command_access)]
/// use std::process::Command;
///
/// let cmd = Command::new("echo");
/// assert_eq!(cmd.get_program(), "echo");
/// ```
#[unstable(feature = "command_access", issue = "44434")]
#[stable(feature = "command_access", since = "1.57.0")]
pub fn get_program(&self) -> &OsStr {
self.inner.get_program()
}
Expand All @@ -963,7 +962,6 @@ impl Command {
/// # Examples
///
/// ```
/// # #![feature(command_access)]
/// use std::ffi::OsStr;
/// use std::process::Command;
///
Expand All @@ -972,7 +970,7 @@ impl Command {
/// let args: Vec<&OsStr> = cmd.get_args().collect();
/// assert_eq!(args, &["first", "second"]);
/// ```
#[unstable(feature = "command_access", issue = "44434")]
#[stable(feature = "command_access", since = "1.57.0")]
pub fn get_args(&self) -> CommandArgs<'_> {
CommandArgs { inner: self.inner.get_args() }
}
Expand All @@ -992,7 +990,6 @@ impl Command {
/// # Examples
///
/// ```
/// # #![feature(command_access)]
/// use std::ffi::OsStr;
/// use std::process::Command;
///
Expand All @@ -1004,7 +1001,7 @@ impl Command {
/// (OsStr::new("TZ"), None)
/// ]);
/// ```
#[unstable(feature = "command_access", issue = "44434")]
#[stable(feature = "command_access", since = "1.57.0")]
pub fn get_envs(&self) -> CommandEnvs<'_> {
self.inner.get_envs()
}
Expand All @@ -1016,7 +1013,6 @@ impl Command {
/// # Examples
///
/// ```
/// # #![feature(command_access)]
/// use std::path::Path;
/// use std::process::Command;
///
Expand All @@ -1025,7 +1021,7 @@ impl Command {
/// cmd.current_dir("/bin");
/// assert_eq!(cmd.get_current_dir(), Some(Path::new("/bin")));
/// ```
#[unstable(feature = "command_access", issue = "44434")]
#[stable(feature = "command_access", since = "1.57.0")]
pub fn get_current_dir(&self) -> Option<&Path> {
self.inner.get_current_dir()
}
Expand Down Expand Up @@ -1057,13 +1053,13 @@ impl AsInnerMut<imp::Command> for Command {
///
/// This struct is created by [`Command::get_args`]. See its documentation for
/// more.
#[unstable(feature = "command_access", issue = "44434")]
#[stable(feature = "command_access", since = "1.57.0")]
#[derive(Debug)]
pub struct CommandArgs<'a> {
inner: imp::CommandArgs<'a>,
}

#[unstable(feature = "command_access", issue = "44434")]
#[stable(feature = "command_access", since = "1.57.0")]
impl<'a> Iterator for CommandArgs<'a> {
type Item = &'a OsStr;
fn next(&mut self) -> Option<&'a OsStr> {
Expand All @@ -1074,7 +1070,7 @@ impl<'a> Iterator for CommandArgs<'a> {
}
}

#[unstable(feature = "command_access", issue = "44434")]
#[stable(feature = "command_access", since = "1.57.0")]
impl<'a> ExactSizeIterator for CommandArgs<'a> {
fn len(&self) -> usize {
self.inner.len()
Expand Down
6 changes: 3 additions & 3 deletions library/std/src/sys_common/process.rs
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Expand Up @@ -106,13 +106,13 @@ impl CommandEnv {
/// This struct is created by
/// [`Command::get_envs`][crate::process::Command::get_envs]. See its
/// documentation for more.
#[unstable(feature = "command_access", issue = "44434")]
#[stable(feature = "command_access", since = "1.57.0")]
#[derive(Debug)]
pub struct CommandEnvs<'a> {
iter: crate::collections::btree_map::Iter<'a, EnvKey, Option<OsString>>,
}

#[unstable(feature = "command_access", issue = "44434")]
#[stable(feature = "command_access", since = "1.57.0")]
impl<'a> Iterator for CommandEnvs<'a> {
type Item = (&'a OsStr, Option<&'a OsStr>);
fn next(&mut self) -> Option<Self::Item> {
Expand All @@ -123,7 +123,7 @@ impl<'a> Iterator for CommandEnvs<'a> {
}
}

#[unstable(feature = "command_access", issue = "44434")]
#[stable(feature = "command_access", since = "1.57.0")]
impl<'a> ExactSizeIterator for CommandEnvs<'a> {
fn len(&self) -> usize {
self.iter.len()
Expand Down