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private val dummyData = arrayOfNulls<DemoData>(DUMMY_ENTRY_COUNT)

val items: LiveData<Resource<List<DemoData?>?>> = repository.getDemoData().map {
    if (it.loading) {
        Resource.Loading(dummyData.toList())
    } else it
}

val itemBinding: ItemBinding<DemoData> = { data, position ->
    when (data) {

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<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:bones="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools">

    <data>

        <variable
            name="viewModel"

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@Immutable
sealed class Item<T> {
    class Unavailable<T>: Item<T>()
    data class Available<T>(
        val data: T,
        private var onVisible: (() -> Unit)?
    ): Item<T>() {
        fun notifyVisible() {
            this.onVisible?.invoke()

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import androidx.compose.animation.*
import androidx.compose.foundation.gestures.FlingBehavior
import androidx.compose.foundation.gestures.ScrollableDefaults
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.PaddingValues
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.lazy.*
import androidx.compose.runtime.*