std: Stabilize command_access

Tracking issue: rust-lang#44434

Author: lf-

library/std/src/process.rs

@@ -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 = "1.56.0")]
 pub use crate::sys_common::process::CommandEnvs;
 use crate::sys_common::{AsInner, AsInnerMut, FromInner, IntoInner};
 
@@ -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 = "1.56.0")]
     pub fn get_program(&self) -> &OsStr {
         self.inner.get_program()
     }
@@ -963,7 +962,6 @@ impl Command {
     /// # Examples
     ///
     /// ```
-    /// # #![feature(command_access)]
     /// use std::ffi::OsStr;
     /// use std::process::Command;
     ///
@@ -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 = "1.56.0")]
     pub fn get_args(&self) -> CommandArgs<'_> {
         CommandArgs { inner: self.inner.get_args() }
     }
@@ -992,7 +990,6 @@ impl Command {
     /// # Examples
     ///
     /// ```
-    /// # #![feature(command_access)]
     /// use std::ffi::OsStr;
     /// use std::process::Command;
     ///
@@ -1004,7 +1001,7 @@ impl Command {
     ///     (OsStr::new("TZ"), None)
     /// ]);
     /// ```
-    #[unstable(feature = "command_access", issue = "44434")]
+    #[stable(feature = "command_access", since = "1.56.0")]
     pub fn get_envs(&self) -> CommandEnvs<'_> {
         self.inner.get_envs()
     }
@@ -1016,7 +1013,6 @@ impl Command {
     /// # Examples
     ///
     /// ```
-    /// # #![feature(command_access)]
     /// use std::path::Path;
     /// use std::process::Command;
     ///
@@ -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 = "1.56.0")]
     pub fn get_current_dir(&self) -> Option<&Path> {
         self.inner.get_current_dir()
     }
@@ -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 = "1.56.0")]
 #[derive(Debug)]
 pub struct CommandArgs<'a> {
     inner: imp::CommandArgs<'a>,
 }
 
-#[unstable(feature = "command_access", issue = "44434")]
+#[stable(feature = "command_access", since = "1.56.0")]
 impl<'a> Iterator for CommandArgs<'a> {
     type Item = &'a OsStr;
     fn next(&mut self) -> Option<&'a OsStr> {
@@ -1074,7 +1070,7 @@ impl<'a> Iterator for CommandArgs<'a> {
     }
 }
 
-#[unstable(feature = "command_access", issue = "44434")]
+#[stable(feature = "command_access", since = "1.56.0")]
 impl<'a> ExactSizeIterator for CommandArgs<'a> {
     fn len(&self) -> usize {
         self.inner.len()

library/std/src/sys_common/process.rs

@@ -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 = "1.56.0")]
 #[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 = "1.56.0")]
 impl<'a> Iterator for CommandEnvs<'a> {
     type Item = (&'a OsStr, Option<&'a OsStr>);
     fn next(&mut self) -> Option<Self::Item> {
@@ -123,7 +123,7 @@ impl<'a> Iterator for CommandEnvs<'a> {
     }
 }
 
-#[unstable(feature = "command_access", issue = "44434")]
+#[stable(feature = "command_access", since = "1.56.0")]
 impl<'a> ExactSizeIterator for CommandEnvs<'a> {
     fn len(&self) -> usize {
         self.iter.len()