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Document std::env::current_exe rename behaviour

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It might not be obvious that the "path of the current running executable" may (or may not) mean "at the time it was loaded".
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Chris Denton 2021-08-27 14:25:29 +01:00 committed by GitHub
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library/std/src/env.rs
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@ -616,6 +616,9 @@ pub fn temp_dir() -> PathBuf {
/// return the path of the symbolic link and other platforms will return the
/// path of the symbolic link’s target.
///
/// 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.
///
/// # Errors
///
/// Acquiring the path of the current executable is a platform-specific operation