sync: Add const fn OnceCell::from_value
#5903
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Darksonn
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Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>
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Darksonn
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Oct 10, 2023
Bumps tokio from 1.32.0 to 1.33.0.
Release notes
Sourced from tokio's releases.
Tokio v1.33.0
1.33.0 (October 9, 2023)
Fixed
io: mark Interest::add with #[must_use] (#6037)
runtime: fix cache line size for RISC-V (#5994)
sync: prevent lock poisoning in watch::Receiver::wait_for (#6021)
task: fix spawn_local source location (#5984)
Changed
macros: use ::core imports instead of ::std in tokio::test (#5973)
sync: use Acquire/Release orderings instead of SeqCst in watch (#6018)
Added
fs: add vectored writes to tokio::fs::File (#5958)
io: add Interest::remove method (#5906)
io: add vectored writes to DuplexStream (#5985)
net: add Apple tvOS support (#6045)
sync: add ?Sized bound to {MutexGuard,OwnedMutexGuard}::map (#5997)
sync: add watch::Receiver::mark_unseen (#5962, #6014, #6017)
sync: add watch::Sender::new (#5998)
sync: add const fn OnceCell::from_value (#5903)
Removed
remove unused stats feature (#5952)
Documented
add missing backticks in code examples (#5938, #6056)
fix typos (#5988, #6030)
process: document that Child::wait is cancel safe (#5977)
sync: add examples for Semaphore (#5939, #5956, #5978, #6031, #6032, #6050)
sync: document that broadcast capacity is a lower bound (#6042)
sync: document that const_new is not instrumented (#6002)
sync: improve cancel-safety documentation for mpsc::Sender::send (#5947)
sync: improve docs for watch channel (#5954)
taskdump: render taskdump documentation on docs.rs (#5972)
Unstable
taskdump: fix potential deadlock (#6036)
#5903: tokio-rs/tokio#5903
#5906: tokio-rs/tokio#5906
#5938: tokio-rs/tokio#5938
#5939: tokio-rs/tokio#5939
... (truncated)
Commits
0457690 chore: prepare Tokio v1.33.0 release (#6059)
4557451 io: implement Seek for SyncIoBridge (#6058)
2bd4376 rt: do not trace tasks while locking OwnedTasks (#6036)
f306bd0 sync: fix unclosed code block in example (#6056)
6b010ac docs: fix new doc warnings in 1.73.0 (#6055)
8cd3383 time: reduce iteration count in short_sleeps test (#6052)
d6ed00c sync: Semaphore doc final cleanup (#6050)
5d29136 docs: add semaphore example for running tests sequentially (#6038)
52b29b3 net: add apple tvos support (#6045)
eaba971 sync: document that broadcast capacity is a lower bound (#6042)
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Motivation
<OnceCell<T> as From<T>>::fromcan be used to constructOnceCellfromTdirectly, however it isn't available in const.Solution
Add