Offload functions to worker threads with shared memory primitives for Node.js.
chore: version 1.3.0
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.changeset/try-lock-variants.md
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.changeset/try-lock-variants.md
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---
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'moroutine': minor
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---
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Synchronous `try*` variants for shared locks
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**New methods on `Mutex` and `RwLock`**:
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```ts
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// Non-blocking, single-attempt acquisition.
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// Returns a disposable guard on success, `null` on contention.
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mutex.tryLock(); // MutexGuard | null
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rwlock.tryReadLock(); // ReadGuard | null
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rwlock.tryWriteLock(); // WriteGuard | null
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```
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Each makes a single atomic CAS attempt — no waiting, no retry. Composes with `using` since `null` skips dispose registration:
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```ts
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using guard = mu.tryLock();
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if (!guard) return; // held elsewhere, nothing to dispose
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// ...critical section; auto-unlock on scope exit
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```
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CHANGELOG.md
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CHANGELOG.md
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# moroutine
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## 1.3.0
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### Minor Changes
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- c9a1794: Synchronous `try*` variants for shared locks
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**New methods on `Mutex` and `RwLock`**:
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```ts
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// Non-blocking, single-attempt acquisition.
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// Returns a disposable guard on success, `null` on contention.
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mutex.tryLock(); // MutexGuard | null
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rwlock.tryReadLock(); // ReadGuard | null
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rwlock.tryWriteLock(); // WriteGuard | null
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```
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Each makes a single atomic CAS attempt — no waiting, no retry. Composes with `using` since `null` skips dispose registration:
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```ts
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using guard = mu.tryLock();
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if (!guard) return; // held elsewhere, nothing to dispose
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// ...critical section; auto-unlock on scope exit
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```
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## 1.2.2
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### Patch Changes