arrow-fx / arrow.fx / Promise / unsafeUncancellable

unsafeUncancellable

fun <F, A> unsafeUncancellable(AS: Async<F>): Promise<F, A>

Creates an empty Promise from on Async instance for F. Does not support cancellation of get operation. This method is considered unsafe because it is not referentially transparent – it allocates mutable state.

import arrow.fx.*
import arrow.fx.extensions.io.async.async

fun main(args: Array<String>) {
  //sampleStart
  val unsafePromise: Promise<ForIO, Int> = Promise.unsafeUncancellable(IO.async())
  //sampleEnd
}