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26 lines
764 B
Nim
26 lines
764 B
Nim
import chronos/futures, stew/results, chronos
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import ./futures
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proc toOk(future: Future[void]): Result[void, string] =
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return results.ok()
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proc toOk[T](future: Future[T]): Result[T, string] =
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return results.ok(future.read())
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proc toResult*[T](future: Future[T]): Result[T, string] =
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if future.cancelled():
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return results.err("Future cancelled/timed out.")
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elif future.finished():
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if not future.failed():
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return future.toOk()
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else:
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return results.err("Future finished but failed.")
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else:
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return results.err("Future still not finished.")
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proc waitForResult*[T](
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future: Future[T], timeout = DURATION_TIMEOUT
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): Future[Result[T, string]] {.async.} =
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discard await future.withTimeout(timeout)
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return future.toResult()
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