Warning: file_get_contents(/data/phpspider/zhask/data//catemap/4/kotlin/3.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181

Warning: file_get_contents(/data/phpspider/zhask/data//catemap/5/spring-mvc/2.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
Kotlin 值和发射之间的可变状态流差异_Kotlin_Kotlin Coroutines - Fatal编程技术网

Kotlin 值和发射之间的可变状态流差异

Kotlin 值和发射之间的可变状态流差异,kotlin,kotlin-coroutines,Kotlin,Kotlin Coroutines,在可变状态流上使用value-end-emit-fun有什么区别 fun main() = runBlocking { val mutable = MutableStateFlow(0) launch { mutable.collect { println(it) } } mutable.value = 1 mutable.emit(2) } emit()是一个挂起函数,用于包装调用以设置值:

在可变状态流上使用value-end-emit-fun有什么区别

fun main() = runBlocking {

    val mutable = MutableStateFlow(0)

    launch {
        mutable.collect {
            println(it)
        }
    }

    mutable.value = 1
    mutable.emit(2)
}
emit()
是一个挂起函数,用于包装调用以设置值:

override suspend fun emit(value: T) {
    this.value = value
}
因此不同之处在于,
value
允许您设置值,即使不在协同程序中<代码>发射()存在,因此StateFlow可以从流继承