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Optimize FiberRef#locallyScoped #9481

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Merged
merged 2 commits into from
Jan 20, 2025
Merged

Optimize FiberRef#locallyScoped #9481

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ab9cc9b
Optimize `FiberRef#locallyScoped`
guizmaii Jan 20, 2025
28ead9b
Merge branch 'series/2.x' into opt_FiberRef_locallyScoped
guizmaii Jan 20, 2025
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2 changes: 1 addition & 1 deletion core/shared/src/main/scala/zio/FiberRef.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -177,7 +177,7 @@ trait FiberRef[A] extends Serializable { self =>
* scope is closed.
*/
final def locallyScoped(value: A)(implicit trace: Trace): ZIO[Scope, Nothing, Unit] =
ZIO.acquireRelease(get.flatMap(old => set(value).as(old)))(set).unit
ZIO.acquireRelease(getAndSet(value))(set).unit

/**
* Returns a scoped workflow that updates the value associated with the
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