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remove description which not makes sense

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Liigo Zhuang 2022-04-21 17:17:01 +08:00 committed by GitHub
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docs/modules/ROOT/pages/runtime.adoc
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@ -14,7 +14,7 @@ The Embassy runtime is an async/await executor designed for embedded usage along
== Executor
The executor function is described below. The executor keeps a queue of tasks that it should poll. When a task is created, it is polled (1). The task will attempt to make progress until it reaches a point where it would be blocked. This may happen whenever a task is .await'ing an async function. When that happens, the task yields execution by (2) returning `Poll::Pending`. Once a task yields, the executor enqueues the task at the end of the run queue, and proceeds to (3) poll the next task in the queue. If a task returns `Poll::Ready` it essentially means that the task is finished and will not be enqueued again.
The executor function is described below. The executor keeps a queue of tasks that it should poll. When a task is created, it is polled (1). The task will attempt to make progress until it reaches a point where it would be blocked. This may happen whenever a task is .await'ing an async function. When that happens, the task yields execution by (2) returning `Poll::Pending`. Once a task yields, the executor enqueues the task at the end of the run queue, and proceeds to (3) poll the next task in the queue.
IMPORTANT: The executor relies on tasks not blocking indefinitely, as this prevents the executor to regain control and schedule another task.