Continuation Result

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

suspend fun parsePositive(text: String): Int {
    val number = text.toInt()
    if (number <= 0) {
        error("not positive")
    }
    return number
}

fun main() {
    val text = "0""9""6"
    var summary = "not resumed"

    val work: suspend () -> Int = {
        parsePositive(text)
    }

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

        override fun resumeWith(result: Result<Int>) {
            summary = result.fold(
                onSuccess = { value -> "success=$value" },
                onFailure = { error -> "failure=${error.message}" }
            )
        }
    })

    println(summary)
}

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

suspend fun parsePositive(text: String): Int {
    val number = text.toInt()
    if (number <= 0) {
        error("not positive")
    }
    return number
}

fun main() {
    val text = "0""9""6"
    var summary = "not resumed"

    val work: suspend () -> Int = {
        parsePositive(text)
    }

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

        override fun resumeWith(result: Result<Int>) {
            summary = result.fold(
                onSuccess = { value -> "success=$value" },
                onFailure = { error -> "failure=${error.message}" }
            )
        }
    })

    println(summary)
}

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

suspend fun parsePositive(text: String): Int {
    val number = text.toInt()
    if (number <= 0) {
        error("not positive")
    }
    return number
}

fun main() {
    val text = "0""9""6"
    var summary = "not resumed"

    val work: suspend () -> Int = {
        parsePositive(text)
    }

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

        override fun resumeWith(result: Result<Int>) {
            summary = result.fold(
                onSuccess = { value -> "success=$value" },
                onFailure = { error -> "failure=${error.message}" }
            )
        }
    })

    println(summary)
}