Andrew Chen

In RxJava and RxJs, the `distinct` operator accepts a selector instead of an equation, that's inconsistent to this. IMO, we should somehow provide an equivalent method. According to you mention...

```kt var longPressed = false setOnTouchListener { v, event -> var touched = false if (longPressed) { touched = popup.onTouch(v, event) } if (event.action == MotionEvent.ACTION_UP) { longPressed = false...