ExitStatusExt windows: Retrospectively seal this trait
Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
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@ -7,6 +7,14 @@ use crate::process;
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use crate::sys;
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use crate::sys_common::{AsInner, AsInnerMut, FromInner, IntoInner};
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mod private {
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/// This trait being unreachable from outside the crate
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/// prevents other implementations of the `ExitStatusExt` trait,
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/// which allows potentially adding more trait methods in the future.
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#[stable(feature = "none", since = "1.51.0")]
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pub trait Sealed {}
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}
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#[stable(feature = "process_extensions", since = "1.2.0")]
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impl FromRawHandle for process::Stdio {
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unsafe fn from_raw_handle(handle: RawHandle) -> process::Stdio {
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@ -73,8 +81,11 @@ impl IntoRawHandle for process::ChildStderr {
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}
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/// Windows-specific extensions to [`process::ExitStatus`].
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///
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/// This trait is saeled (since Rust 1.51): it cannot be implemented outside the standard library.
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/// This is so that future additional methods are not breaking changes.
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#[stable(feature = "exit_status_from", since = "1.12.0")]
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pub trait ExitStatusExt {
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pub trait ExitStatusExt: private::Sealed {
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/// Creates a new `ExitStatus` from the raw underlying `u32` return value of
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/// a process.
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#[stable(feature = "exit_status_from", since = "1.12.0")]
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@ -88,6 +99,9 @@ impl ExitStatusExt for process::ExitStatus {
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}
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}
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#[stable(feature = "none", since = "1.51.0")]
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impl private::Sealed for process::ExitStatus {}
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/// Windows-specific extensions to the [`process::Command`] builder.
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#[stable(feature = "windows_process_extensions", since = "1.16.0")]
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pub trait CommandExt {
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