Propagate Cause In ZChannel#mapOutZIO #7990
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vigoo
reviewed
Apr 7, 2023
| (out: OutElem) => ZChannel.fromZIO(f(out)).flatMap(ZChannel.write(_)) *> reader, | ||
| (e: OutErr1) => ZChannel.fail(e), | ||
| (e: Cause[OutErr1]) => ZChannel.failCause(e), |
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Isn't readWith doing the same automatically?
https://github.com/zio/zio/blob/series/2.x/streams/shared/src/main/scala/zio/stream/ZChannel.scala#L1803
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The issue is if we extract an E in failureOrCause and the fail with that E we lose the tracing information associated with the original cause.
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Strikes me we should probably have ZChannel.refailCause at some point.
jdegoes
approved these changes
Apr 7, 2023
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