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Support Collection Transformations For Effects Returning Nothing #4582

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Merged
merged 2 commits into from
Jan 22, 2021
Merged

Support Collection Transformations For Effects Returning Nothing #4582

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6a8a714
implement buildFromAny
adamgfraser Jan 22, 2021
2567b87
format
adamgfraser Jan 22, 2021
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12 changes: 11 additions & 1 deletion core-tests/shared/src/test/scala/zio/ZIOSpec.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -896,7 +896,17 @@ object ZIOSpec extends ZIOBaseSpec {
assert(result3.dieOption)(isSome(equalTo(boom))) && assert(result3.interrupted)(isTrue)
}
}
} @@ nonFlaky
} @@ nonFlaky,
testM("infers correctly") {
for {
ref <- Ref.make(0)
worker = ZIO.never
workers = List.fill(4)(worker)
fiber <- ZIO.forkAll(workers)
_ <- fiber.interrupt
value <- ref.get
} yield assert(value)(equalTo(0))
}
),
suite("forkAs")(
testM("child has specified name") {
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7 changes: 7 additions & 0 deletions core/shared/src/main/scala-2.13+/zio/BuildFromCompat.scala
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Original file line number Diff line number Diff line change
@@ -1,5 +1,12 @@
package zio

import scala.collection.IterableOps

private[zio] trait BuildFromCompat {

type BuildFrom[-From, -A, +C] = scala.collection.BuildFrom[From, A, C]

implicit def buildFromAny[Element, Collection[+Element] <: Iterable[Element] with IterableOps[Any, Collection, Any]]
: BuildFrom[Collection[Any], Element, Collection[Element]] =
scala.collection.BuildFrom.buildFromIterableOps[Collection, Any, Element]
}