import arrow.fx.IO

fun log(): IO<Unit> = IO { println("Finalized") }

val ioOps: IO<Unit> = IO
    .raiseError<Unit>(RuntimeException("Blarg!"))
    .guarantee(log())

ioOps.unsafeRunAsync { result ->
    result.fold(
        { println("Failure") },
        { println("Success") }
    )
}