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Implement COROUTINE_SUSPENDED as a property with getter

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This commit is contained in:
Roman Elizarov
2018-06-25 15:15:38 +03:00
committed by Denis Zharkov
parent aaabfa6382
commit af9743709c
1 changed files with 9 additions and 2 deletions
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libraries/stdlib/coroutines/src/kotlin/coroutines/intrinsics/Intrinsics.kt
+9 -2
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@@ -68,7 +68,14 @@ public suspend inline fun <T> suspendCoroutineUninterceptedOrReturn(crossinline
* This value is used as a return value of [suspendCoroutineOrReturn] `block` argument to state that
* the execution was suspended and will not return any result immediately.
*/
// It is implemented as property with getter to avoid ProGuard <clinit> problem with multifile IntrinsicsKt class
@SinceKotlin("1.3")
public val COROUTINE_SUSPENDED: Any = CoroutineSingletons.COROUTINE_SUSPENDED
public val COROUTINE_SUSPENDED: Any
get() = CoroutineSingletons.COROUTINE_SUSPENDED
internal enum class CoroutineSingletons { COROUTINE_SUSPENDED, UNDECIDED, RESUMED }
// Using enum here ensures two important properties:
// 1. It makes SafeContinuation serializable with all kinds of serialization frameworks (since all of them natively support enums)
// 2. It improves debugging experience, since you clearly see toString() value of those objects and what package they come from
@SinceKotlin("1.3")
@PublishedApi // This class is Published API via serialized representation of SafeContinuation, don't rename/move
internal enum class CoroutineSingletons { COROUTINE_SUSPENDED, UNDECIDED, RESUMED }