mirai-core-api/net.mamoe.mirai.message.action/AsyncRecallResult/exception

exception

expect val exception: Deferred<Throwable?>

撤回失败时的异常, 当撤回成功时为 null.

actual val exception: Deferred<Throwable?>

撤回时产生的异常, 当撤回成功时为 null. Kotlin Deferred API.