41 lines
1.1 KiB
Nim
41 lines
1.1 KiB
Nim
## Nim-Codex
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## Copyright (c) 2021 Status Research & Development GmbH
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## Licensed under either of
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## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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## * MIT license ([LICENSE-MIT](LICENSE-MIT))
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## at your option.
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## This file may not be copied, modified, or distributed except according to
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## those terms.
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import pkg/stew/results
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import pkg/chronos
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import pkg/questionable/results
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export results
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type
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CodexError* = object of CatchableError # base codex error
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CodexResult*[T] = Result[T, ref CodexError]
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template mapFailure*[T, V, E](
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exp: Result[T, V],
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exc: typedesc[E],
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): Result[T, ref CatchableError] =
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## Convert `Result[T, E]` to `Result[E, ref CatchableError]`
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##
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exp.mapErr(proc (e: V): ref CatchableError = (ref exc)(msg: $e))
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template mapFailure*[T, V](exp: Result[T, V]): Result[T, ref CatchableError] =
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mapFailure(exp, CodexError)
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proc allFutureResult*[T](fut: seq[Future[T]]): Future[?!void] {.async.} =
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try:
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await allFuturesThrowing(fut)
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except CancelledError as exc:
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raise exc
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except CatchableError as exc:
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return failure(exc.msg)
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return success()
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