Created
October 4, 2025 03:08
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| class DataProcessor { | |
| suspend fun processAllData(items: List<String>): List<String> = coroutineScope { | |
| // All child coroutines will complete before returning | |
| items.map { item -> | |
| async(Dispatchers.Default) { | |
| processItem(item) | |
| } | |
| }.awaitAll() | |
| } | |
| private suspend fun processItem(item: String): String { | |
| delay(100) | |
| return item.uppercase() | |
| } | |
| } | |
| fun main() = runBlocking { | |
| val processor = DataProcessor() | |
| val items = listOf("apple", "banana", "cherry") | |
| try { | |
| val results = processor.processAllData(items) | |
| println("Results: $results") | |
| } catch (e: Exception) { | |
| println("Error occurred: ${e.message}") | |
| // All child coroutines are automatically cancelled | |
| } | |
| } |
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