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<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <com.google.android.material.textfield.TextInputLayout
        android:id="@+id/textInputLayout"

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package com.example.preferencesdatastore

import android.content.Context
import android.os.Bundle
import androidx.appcompat.app.AppCompatActivity
import androidx.datastore.core.DataStore
import androidx.datastore.preferences.core.Preferences
import androidx.datastore.preferences.core.edit
import androidx.datastore.preferences.core.stringPreferencesKey
import androidx.datastore.preferences.preferencesDataStore

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class Car {
    var carName: String
        get() = carName
        set(value) {
            carName = value
        }
    var carModel: String
        get() = carModel
        set(value) {
            carModel = value

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class Car {
    var carName: String = ""
        get() = field
        set(value) {
            field = value
        }

    var carModel: String = ""
        get() = field
        set(value) {

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 private val _newsList = MutableLiveData<List<News>>()
  val newsList: LiveData<List<News>>
       get() = _newsList

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class Car {
    var carName: String = ""
        get() = field
        set(value) {
            field =
                if (value.length < 3) value else throw IllegalArgumentException("Name is too long")
        }
}

fun main() {

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Exception in thread "main" java.lang.IllegalArgumentException: Name is too long
	at com.oguzdogdu.backing.Car.setCarName(Car.kt:8)
	at com.oguzdogdu.backing.CarKt.main(Car.kt:14)
	at com.oguzdogdu.backing.CarKt.main(Car.kt)

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@Composable
fun GmailAppBar(
    scaffoldState: ScaffoldState,
    scope: CoroutineScope
) {
    Box(
        modifier = Modifier
            .padding(10.dp)
    ) {
        Card(

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sealed class MenuItems(
    val icon: ImageVector? = null, val title: String? = null,
    val isDivider: Boolean = false, val isHeader: Boolean = false, val topHeader: Boolean = false
) {
    object TopHeader : MenuItems(title = "Gmail", topHeader = true)

    object AllInboxes : MenuItems(
        icon = Icons.Filled.AllInbox,
        title = "All inboxes"
    )

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@Composable
fun GmailDrawerMenu() {
    val menuItemList = listOf(
        MenuItems.TopHeader,
        MenuItems.Divider,
        MenuItems.AllInboxes,
        MenuItems.Divider,
        MenuItems.Primary,
        MenuItems.Social,
        MenuItems.Promotions,