parTupledN

import arrow.Kind
import arrow.core.Tuple2
import arrow.fx.IO
import kotlinx.coroutines.Dispatchers
import arrow.fx.typeclasses.Concurrent
import arrow.fx.extensions.io.concurrent.concurrent
import arrow.fx.fix

fun main(args: Array<String>) {
  fun <F> Concurrent<F>.example(): Kind<F, Tuple2<String, String>> {
  //sampleStart
    val result = parTupledN(
      Dispatchers.Default,
      effect { "First one is on ${Thread.currentThread().name}" },
      effect { "Second one is on ${Thread.currentThread().name}" }
    )
  //sampleEnd
  return result
  }

  IO.concurrent().example().fix().unsafeRunSync().let(::println)
}