kuceraf

fun main() {
    runBlocking {
        uuidFlow().collect{ log(it.toString()) }
    }
}

fun uuidFlow(): Flow<UUID> = flow {
    while (true) {
        delay(100)
        emit(UUID.randomUUID())

kuceraf

fun main() {
    uuidSequence().forEach { value -> println(value) }
}

fun uuidSequence(): Sequence<UUID> = sequence {
    while (true) {
        Thread.sleep(100)
        yield(UUID.randomUUID())
    }
}

kuceraf

abstract class Expression

class DoubleExpression(private val value: Double) : Expression()

class AdditionExpression(
    private val left: Expression,
    private val right: Expression
) : Expression()

fun main() {

kuceraf

abstract class Expression {
    abstract fun print(sb: StringBuilder)
}

class DoubleExpression(private val value: Double) : Expression() {
    override fun print(sb: StringBuilder) {
        sb.append(value)
    }
}