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Make resourceScope callable from Scala 3.9 #513

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Merged
adamw merged 1 commit into from
Sep 23, 2026
Merged

Make resourceScope callable from Scala 3.9 #513

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8 changes: 7 additions & 1 deletion core/src/main/scala/ox/resource.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,13 @@ import scala.util.NotGiven
)
opaque type NoEnclosingConcurrencyScope = Unit

object NoEnclosingConcurrencyScope:
/** Scala 3.9+ erases a result of type `NoEnclosingConcurrencyScope` to `void`, earlier versions to `BoxedUnit`. Overriding this method
* makes the compiler emit both signatures, so code compiled with 3.9+ links against Ox (https://github.com/scala/scala3/issues/24653).
*/
private[ox] trait NoEnclosingConcurrencyScopeVoidErasure:
def noEnclosingConcurrencyScope(using NotGiven[OxUnsupervised]): Unit

object NoEnclosingConcurrencyScope extends NoEnclosingConcurrencyScopeVoidErasure:
// in the companion, so that it's found via the implicit scope of the type, without any imports
given noEnclosingConcurrencyScope(using NotGiven[OxUnsupervised]): NoEnclosingConcurrencyScope = ()

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