Diolor

fun printCurrentThread(tag: String) = println("$tag: ${Thread.currentThread().name.substringBefore("-")}")

fun main(args: Array<String>) {
	printCurrentThread("main thread name")

	val connectable = just(Unit)
			.replay().refCount()

	connectable
			.subscribeOn(newThread())

Diolor

fun printCurrentThread(tag: String) = println("$tag: ${Thread.currentThread().name.substringBefore("-")}")

fun main(args: Array<String>) {
	printCurrentThread("main thread name")

	val subject = BehaviorSubject.create(Unit)

	val connectable = subject
			.observeOn(io())
			.replay().refCount()

Diolor

/**
 * ListAdapter is a superclass of RecyclerView.Adapter. 
 * Check the d.android.com for more.
 */
class JobsAdapter : ListAdapter<JobListItem, JobViewHolder>() {

}

// items of 2 types 
sealed class JobListItem {

Diolor

class JobsListAdapter : ListAdapter<JobListItem, JobViewHolder>() {

    override fun getItemViewType(position: Int): Int {
        return getItem(position).ordinal()
    }

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): JobViewHolder {
        return when (viewType) {
            Header.ordinal() -> HeaderViewHolder(...)
            JobItem.ordinal() -> JobViewHolder(...)