Promote MainScope and CoroutineScope.cancel to stable API

Author: qwwdfsad

kotlinx-coroutines-core/common/src/CoroutineScope.kt

@@ -92,7 +92,6 @@ public operator fun CoroutineScope.plus(context: CoroutineContext): CoroutineSco
  * `val scope = MainScope() + CoroutineName("MyActivity")`.
  */
 @Suppress("FunctionName")
-@ExperimentalCoroutinesApi // Experimental since 1.1.0, tentatively until 1.2.0
 public fun MainScope(): CoroutineScope = ContextScope(SupervisorJob() + Dispatchers.Main)
 
 /**
@@ -199,12 +198,8 @@ public fun CoroutineScope(context: CoroutineContext): CoroutineScope =
 /**
  * Cancels this scope, including its job and all its children.
  * Throws [IllegalStateException] if the scope does not have a job in it.
- *
- * This API is experimental in order to investigate possible clashes with other cancellation mechanisms.
- */
-@Suppress("NOTHING_TO_INLINE")
-@ExperimentalCoroutinesApi // Experimental and inline since 1.1.0, tentatively until 1.2.0
-public inline fun CoroutineScope.cancel() {
+ **/
+public fun CoroutineScope.cancel() {
     val job = coroutineContext[Job] ?: error("Scope cannot be cancelled because it does not have a job: $this")
     job.cancel()
 }

kotlinx-coroutines-core/common/src/MainCoroutineDispatcher.kt

@@ -31,7 +31,6 @@ public abstract class MainCoroutineDispatcher : CoroutineDispatcher() {
      *   }
      *   // Do context-independent logic such as logging
      * }
-     *
      * ```
      *
      * Method may throw [UnsupportedOperationException] if immediate dispatching is not supported by current dispatcher,

kotlinx-coroutines-test/src/internal/MainTestDispatcher.kt

@@ -28,7 +28,6 @@ internal class TestMainDispatcher(private val mainFactory: MainDispatcherFactory
     @Suppress("INVISIBLE_MEMBER")
     private val delay: Delay get() = delegate as? Delay ?: DefaultDelay
 
-    @ExperimentalCoroutinesApi
     override val immediate: MainCoroutineDispatcher
         get() = (delegate as? MainCoroutineDispatcher)?.immediate ?: this
 

ui/kotlinx-coroutines-android/src/HandlerDispatcher.kt

@@ -40,7 +40,6 @@ public sealed class HandlerDispatcher : MainCoroutineDispatcher(), Delay {
      *   }
      *   // Do context-independent logic such as logging
      * }
-     *
      * ```
      */
     public abstract override val immediate: HandlerDispatcher