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Make language around ToOwned for BorrowedFd more precise

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This commit is contained in:
Tobias Bucher 2024-06-28 09:17:04 +02:00
parent cb12b52f16
commit 538b31e977
1 changed files with 5 additions and 3 deletions
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8
library/std/src/os/fd/owned.rs
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@ -24,9 +24,11 @@ use crate::sys_common::{AsInner, FromInner, IntoInner};
/// passed as an argument, it is not captured or consumed, and it never has the
/// value `-1`.
///
/// This type's `.to_owned()` implementation returns another `BorrowedFd`
/// rather than an `OwnedFd`. It just makes a trivial copy of the raw file
/// descriptor, which is then borrowed under the same lifetime.
/// This type does not have a [`ToOwned`][crate::borrow::ToOwned]
/// implementation. Calling `.to_owned()` on a variable of this type will call
/// it on `&BorrowedFd` and use `Clone::clone()` like `ToOwned` does for all
/// types implementing `Clone`. The result will be descriptor borrowed under
/// the same lifetime.
#[derive(Copy, Clone)]
#[repr(transparent)]
#[rustc_layout_scalar_valid_range_start(0)]