30 lines
1.1 KiB
Nim
30 lines
1.1 KiB
Nim
import
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std/sequtils,
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chronos
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proc allFuturesThrowing*(args: varargs[FutureBase]): Future[void] =
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# This proc is only meant for use in tests / not suitable for general use.
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# - Swallowing errors arbitrarily instead of aggregating them is bad design
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# - It raises `CatchableError` instead of the union of the `futs` errors,
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# inflating the caller's `raises` list unnecessarily. `macro` could fix it
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let futs = @args
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(proc() {.async: (raises: [CatchableError]).} =
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await allFutures(futs)
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var firstErr: ref CatchableError
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for fut in futs:
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if fut.failed:
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let err = fut.error()
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if err of CancelledError:
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raise err
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if firstErr == nil:
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firstErr = err
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if firstErr != nil:
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raise firstErr)()
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proc allFuturesThrowing*[T](futs: varargs[Future[T]]): Future[void] =
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allFuturesThrowing(futs.mapIt(FutureBase(it)))
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proc allFuturesThrowing*[T, E]( # https://github.com/nim-lang/Nim/issues/23432
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futs: varargs[InternalRaisesFuture[T, E]]): Future[void] =
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allFuturesThrowing(futs.mapIt(FutureBase(it)))
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