Created
May 4, 2020 16:59
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Temporary workaround function to flatten an IO of Either
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| class IOException(val error: Any?) : Exception() | |
| /** | |
| * Flattens this IO's Either into IO itself, wrapping the untyped-Left side on a custom exception. | |
| * | |
| * Note: This is a workaround until IO<E, A> is available | |
| */ | |
| fun <A, B> IO<Either<A, B>>.flattenEither(): IO<B> = | |
| this.flatMap { | |
| it.fold(ifLeft = { | |
| IO.raiseError<B>(IOException(it)) | |
| }, ifRight = { | |
| IO.just(it) | |
| }) | |
| } |
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