``` IO async async callback Either lt Throwable Int gt gt Un kotlinlang #arrow

``` IO.async() .async { callback: (Either<Thr...

raulraja

09/20/2019, 12:00 PM

Copy code

IO.async()
  .async { callback: (Either<Throwable, Int>) -> Unit ->
    callback(1.right())
  }.fix().attempt().unsafeRunSync()

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