Mavzu: Android ilovalarini ishlab chiqishda Kotlin dasturlash tilidan foydalanish

singleOrNull () usulidan foydalanishingiz mumkin , nullagar oqim bo'sh bo'lsa yoki oqimda bir nechta element bo'lsa, qaytadi .

1 2018-05-01 xoxlasa buladi 121 2 3 4 5 6 7 sakkiz to'qqiz o'n o'n bir

import kotlinx.coroutines.flow.* suspend fun main(){ val userFlow = listOf("Tom", "Bob").asFlow() val singleUser = userFlow.singleOrNull() if(singleUser!=null) println("Single User: $singleUser") else println("Not found")