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Stablise io_error_downcast

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Tracking issue #99262
This commit is contained in:
Jiahao XU 2024-04-18 00:07:46 +10:00 committed by GitHub
parent 6c6b3027ef
commit 7b53f69674
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GPG Key ID: B5690EEEBB952194
1 changed files with 1 additions and 3 deletions
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4
library/std/src/io/error.rs
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@ -869,8 +869,6 @@ pub fn into_inner(self) -> Option<Box<dyn error::Error + Send + Sync>> {
/// # Examples
///
/// ```
/// #![feature(io_error_downcast)]
///
/// use std::fmt;
/// use std::io;
/// use std::error::Error;
@ -923,7 +921,7 @@ pub fn into_inner(self) -> Option<Box<dyn error::Error + Send + Sync>> {
/// assert!(io_error.raw_os_error().is_none());
/// # }
/// ```
#[unstable(feature = "io_error_downcast", issue = "99262")]
#[stable(feature = "io_error_downcast", since = "CURRENT_RUSTC_VERSION")]
pub fn downcast<E>(self) -> result::Result<E, Self>
where
E: error::Error + Send + Sync + 'static,