36 lines
16 KiB
Plaintext
36 lines
16 KiB
Plaintext
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rust
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�? #rustc 1.96.0 (ac68faa20 2026-05-25)ÁíàÄTËŸ ÜJîÄ)'ß\¥! -3d1337db07d0b3aeÁ ¤°ð ¾ä-±($²ï=©Ã -7e98a21bfd32b0edÁ‰ í$Ö ‚ $ testsÁ,È< ‚ $½< í ¥ æ try_lockÁ try_lock_orderÁ try_lock_explicitÁ try_lock_explicit_uncheckedÁ
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into_innerÁ ¥ ¥ ¥ × LockedPlaceholderÁ
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× LockedÁ 'aÁ ¥ lockÁ orderÁ _pÁ %Æ %¥ %å %´ *Æ *¥ *¶ .Æ .¥ .ã 2Æ 2¥ 2× TryLockÁ 6¥ 6 is_lockedÁ 6» :¥ :>
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PhantomDataÁ\ì • �
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– ü ¥? üs5 2 A light-weight lock guarded by an atomic boolean.Á © ú üI F Most efficient when contention is low, acquiring the lock is a singleÁ ü÷: 7 atomic swap, and releasing it just 1 more atomic swap.Á ² ú l¶
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# ExampleÁ Ä ú <È ```Á ¼Ð use std::sync::Arc;Á Ôè use try_lock::TryLock;Á ƒ ú ü‡ // a thing we want to shareÁ œ§ struct Widget {Á ¬» name: String,Á ,Ñ }Á × ú ”Û // lock it up!Á üî0 - let widget1 = Arc::new(TryLock::new(Widget {Á üŸ name: "Spanner".into(),Á D¿ }));Á È ú üÌ" let widget2 = widget1.clone();Á ï ú ó ú Ä÷ // mutate the widgetÁ ü�K H let mut locked = widget1.try_lock().expect("example isn't locked yet");Á üÜ$ ! locked.name.push_str(" Bundle");Á � ú ¼… // hands off, buddyÁ ü�( % let not_locked = widget2.try_lock();Á üÆ: 7 assert!(not_locked.is_none(), "widget1 has the lock");Á � ú Ô… // ok, you can have itÁ Œ drop(locked);Á ² ú ü¶H E let locked2 = widget2.try_lock().expect("widget1 lock is released");Á ÿ ú üƒ/ , assert_eq!(locked2.name, "Spanner Bundle");Á <³ ë 6íÙ § Ú î0 ×Ù ` rØ é! Ñ Ï ö! ì Ä ¬] ®Ã ¼À
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