Slide 19
Slide 19 text
// طଘͷΫϥεΛ֦ுग़དྷΔ
fun Observable.notNulls(): Observable {
return this.filter { it != null }. map { it!! }
}
// ΑΓγϯϓϧʹʂ
val observable = Observable.just(1, null, 2, null)
val normal = observable.filter { it != null }. map { it !! }
val pretty = observable.notNulls()