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Stabilize option_result_unwrap_unchecked
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Closes #81383.

Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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ojeda committed Oct 20, 2021
1 parent 42983a2 commit 63d7882
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Showing 4 changed files with 3 additions and 11 deletions.
1 change: 0 additions & 1 deletion library/alloc/src/lib.rs
Expand Up @@ -112,7 +112,6 @@
#![feature(maybe_uninit_slice)]
#![cfg_attr(test, feature(new_uninit))]
#![feature(nonnull_slice_from_raw_parts)]
#![feature(option_result_unwrap_unchecked)]
#![feature(pattern)]
#![feature(ptr_internals)]
#![feature(receiver_trait)]
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4 changes: 1 addition & 3 deletions library/core/src/option.rs
Expand Up @@ -800,19 +800,17 @@ impl<T> Option<T> {
/// # Examples
///
/// ```
/// #![feature(option_result_unwrap_unchecked)]
/// let x = Some("air");
/// assert_eq!(unsafe { x.unwrap_unchecked() }, "air");
/// ```
///
/// ```no_run
/// #![feature(option_result_unwrap_unchecked)]
/// let x: Option<&str> = None;
/// assert_eq!(unsafe { x.unwrap_unchecked() }, "air"); // Undefined behavior!
/// ```
#[inline]
#[track_caller]
#[unstable(feature = "option_result_unwrap_unchecked", reason = "newly added", issue = "81383")]
#[stable(feature = "option_result_unwrap_unchecked", since = "1.58.0")]
pub unsafe fn unwrap_unchecked(self) -> T {
debug_assert!(self.is_some());
match self {
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8 changes: 2 additions & 6 deletions library/core/src/result.rs
Expand Up @@ -1096,19 +1096,17 @@ impl<T, E> Result<T, E> {
/// # Examples
///
/// ```
/// #![feature(option_result_unwrap_unchecked)]
/// let x: Result<u32, &str> = Ok(2);
/// assert_eq!(unsafe { x.unwrap_unchecked() }, 2);
/// ```
///
/// ```no_run
/// #![feature(option_result_unwrap_unchecked)]
/// let x: Result<u32, &str> = Err("emergency failure");
/// unsafe { x.unwrap_unchecked(); } // Undefined behavior!
/// ```
#[inline]
#[track_caller]
#[unstable(feature = "option_result_unwrap_unchecked", reason = "newly added", issue = "81383")]
#[stable(feature = "option_result_unwrap_unchecked", since = "1.58.0")]
pub unsafe fn unwrap_unchecked(self) -> T {
debug_assert!(self.is_ok());
match self {
Expand All @@ -1130,19 +1128,17 @@ impl<T, E> Result<T, E> {
/// # Examples
///
/// ```no_run
/// #![feature(option_result_unwrap_unchecked)]
/// let x: Result<u32, &str> = Ok(2);
/// unsafe { x.unwrap_err_unchecked() }; // Undefined behavior!
/// ```
///
/// ```
/// #![feature(option_result_unwrap_unchecked)]
/// let x: Result<u32, &str> = Err("emergency failure");
/// assert_eq!(unsafe { x.unwrap_err_unchecked() }, "emergency failure");
/// ```
#[inline]
#[track_caller]
#[unstable(feature = "option_result_unwrap_unchecked", reason = "newly added", issue = "81383")]
#[stable(feature = "option_result_unwrap_unchecked", since = "1.58.0")]
pub unsafe fn unwrap_err_unchecked(self) -> E {
debug_assert!(self.is_err());
match self {
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1 change: 0 additions & 1 deletion library/core/tests/lib.rs
Expand Up @@ -60,7 +60,6 @@
#![feature(const_raw_ptr_deref)]
#![feature(never_type)]
#![feature(unwrap_infallible)]
#![feature(option_result_unwrap_unchecked)]
#![feature(result_into_ok_or_err)]
#![feature(ptr_metadata)]
#![feature(once_cell)]
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