bind data in recycler adapter for https://medium.com/@tonny/recyclerview-2020-when-recyclerview-meets-data-binding-616ca5c2147d

RecyclerAdapter.kt

override fun onBindViewHolder(
  holder: ViewHolder, 
  position: Int
){
 getItem(position)?.run(holder.binding::bind)
}

} //end of RecyclerAdapter

private fun ViewDataBinding.bind(
 item: RecyclerItem
) {
 
 setVariable(
  item.variableId, 
  item.dataToBind
 )
 
 executePendingBindings()
}