Cancellation Flag Model

import kotlin.coroutines.Continuation
import kotlin.coroutines.EmptyCoroutineContext
import kotlin.coroutines.startCoroutine

suspend fun runStep(active: Boolean, name: String): String {
    return if (active) "ran:$name" else "skipped:$name"
}

fun main() {
    val active = falsetrue
    val log = mutableListOf<String>()

    val work: suspend () -> String = {
        log.add(runStep(active, "load"))
        log.add(runStep(active, "save"))
        log.joinToString("|")
    }

    work.startCoroutine(object : Continuation<String> {
        override val context = EmptyCoroutineContext

        override fun resumeWith(result: Result<String>) {
            log.add("done")
        }
    })

    println("active=$active")
    println("log=" + log.joinToString("|"))
}

import kotlin.coroutines.Continuation
import kotlin.coroutines.EmptyCoroutineContext
import kotlin.coroutines.startCoroutine

suspend fun runStep(active: Boolean, name: String): String {
    return if (active) "ran:$name" else "skipped:$name"
}

fun main() {
    val active = falsetrue
    val log = mutableListOf<String>()

    val work: suspend () -> String = {
        log.add(runStep(active, "load"))
        log.add(runStep(active, "save"))
        log.joinToString("|")
    }

    work.startCoroutine(object : Continuation<String> {
        override val context = EmptyCoroutineContext

        override fun resumeWith(result: Result<String>) {
            log.add("done")
        }
    })

    println("active=$active")
    println("log=" + log.joinToString("|"))
}