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Rollup merge of #136360 - slanterns:once_wait, r=tgross35

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Stabilize `once_wait`

Closes: https://github.com/rust-lang/rust/issues/127527.

`@rustbot` label: +T-libs-api

r? libs-api
This commit is contained in:
Matthias Krüger 2025-02-01 16:41:04 +01:00 • committed by GitHub
commit cbcb695f9e
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2 changed files with 3 additions and 7 deletions
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4
library/std/src/sync/once_lock.rs
View file

@ -174,8 +174,6 @@ impl<T> OnceLock<T> {
///
/// Waiting for a computation on another thread to finish:
/// ```rust
/// #![feature(once_wait)]
///
/// use std::thread;
/// use std::sync::OnceLock;
///
@ -189,7 +187,7 @@ impl<T> OnceLock<T> {
/// })
/// ```
#[inline]
#[unstable(feature = "once_wait", issue = "127527")]
#[stable(feature = "once_wait", since = "CURRENT_RUSTC_VERSION")]
pub fn wait(&self) -> &T {
self.once.wait_force();

6
library/std/src/sync/poison/once.rs
View file

@ -269,8 +269,6 @@ impl Once {
/// # Example
///
/// ```rust
/// #![feature(once_wait)]
///
/// use std::sync::Once;
/// use std::thread;
///
@ -289,7 +287,7 @@ impl Once {
/// If this [`Once`] has been poisoned because an initialization closure has
/// panicked, this method will also panic. Use [`wait_force`](Self::wait_force)
/// if this behavior is not desired.
#[unstable(feature = "once_wait", issue = "127527")]
#[stable(feature = "once_wait", since = "CURRENT_RUSTC_VERSION")]
pub fn wait(&self) {
if !self.inner.is_completed() {
self.inner.wait(false);
@ -298,7 +296,7 @@ impl Once {
/// Blocks the current thread until initialization has completed, ignoring
/// poisoning.
#[unstable(feature = "once_wait", issue = "127527")]
#[stable(feature = "once_wait", since = "CURRENT_RUSTC_VERSION")]
pub fn wait_force(&self) {
if !self.inner.is_completed() {
self.inner.wait(true);