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Document platform-specific behavior of current_exe, including that Linux can add " (deleted)" #150824

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Document platform-specific behavior of current_exe, including that Linux can add " (deleted)" #150824

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7 changes: 7 additions & 0 deletions library/std/src/env.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -716,6 +716,11 @@ pub fn temp_dir() -> PathBuf {
/// If the executable is renamed while it is running, platforms may return the
/// path at the time it was loaded instead of the new path.
///
/// On Linux, if the executable is deleted while it is running, this function
/// may return the path with the string `" (deleted)"` appended.
///
/// Note that the platform-specific behavior [may change in the future][changes].
///
/// # Errors
///
/// Acquiring the path of the current executable is a platform-specific operation
Expand Down Expand Up @@ -751,6 +756,8 @@ pub fn temp_dir() -> PathBuf {
/// Err(e) => println!("failed to get current exe path: {e}"),
/// };
/// ```
///
/// [changes]: crate::io#platform-specific-behavior
#[stable(feature = "env", since = "1.0.0")]
pub fn current_exe() -> io::Result<PathBuf> {
paths_imp::current_exe()
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