``` class MyDiffCallback private val oldMovieList MutableLis kotlinlang #getting-started

``` class MyDiffCallback(private val oldMovieList:...

Sudhir Singh Khanger

06/30/2018, 3:03 AM

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class MyDiffCallback(private val oldMovieList: MutableList<Movie?>,
                     private val newMovieList: MutableList<Movie?>) : DiffUtil.Callback() {

val id = oldMovieList[oldItemPosition]

I am unable to access properties of these Movie items. There's no options after

oldMovieList[oldItemPosition]

. Any ideas why?

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