arrow-fx-stm/arrow.fx.stm/STM/orElse

orElse

abstract infix fun <A> STM.() -> A.orElse(other: STM.() -> A): A

Run the given transaction and fallback to the other one if the first one calls retry.

import arrow.fx.stm.atomically
import arrow.fx.stm.stm

suspend fun main() {
  //sampleStart
  val result = atomically {
    stm { retry() } orElse { "Alternative" }
  }
  //sampleEnd
  println("Result $result")
}