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WeakJob.kt
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WeakJob.kt
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package dev.inmo.micro_utils.coroutines
import kotlinx.coroutines.*
import kotlin.coroutines.CoroutineContext
import kotlin.coroutines.EmptyCoroutineContext
private fun CoroutineScope.createWeakSubScope() = CoroutineScope(coroutineContext.minusKey(Job)).also { newScope ->
coroutineContext.job.invokeOnCompletion { newScope.cancel() }
}
fun CoroutineScope.weakLaunch(
context: CoroutineContext = EmptyCoroutineContext,
start: CoroutineStart = CoroutineStart.DEFAULT,
block: suspend CoroutineScope.() -> Unit
): Job {
val scope = createWeakSubScope()
val job = scope.launch(context, start, block)
job.invokeOnCompletion { scope.cancel() }
return job
}
fun <T> CoroutineScope.weakAsync(
context: CoroutineContext = EmptyCoroutineContext,
start: CoroutineStart = CoroutineStart.DEFAULT,
block: suspend CoroutineScope.() -> T
): Deferred<T> {
val scope = createWeakSubScope()
val deferred = scope.async(context, start, block)
deferred.invokeOnCompletion { scope.cancel() }
return deferred
}