Enum StepResult

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pub enum StepResult {
    Continue,
    NewRunnable(Box<dyn Runnable>),
    ReplaceRunnable(Box<dyn Runnable>),
    SpawnRunnable(Box<Task>),
    Return(Box<OnionStaticObject>),
    Error(RuntimeError),
}
Expand description

步骤执行结果类型。

用于描述一次 step 调用后的调度决策。

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Continue

继续当前任务

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NewRunnable(Box<dyn Runnable>)

生成一个新的 Runnable 并压栈

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ReplaceRunnable(Box<dyn Runnable>)

替换当前 Runnable

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SpawnRunnable(Box<Task>)

生成一个新的异步任务(如协程)

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Return(Box<OnionStaticObject>)

返回结果并结束当前任务

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Error(RuntimeError)

发生错误

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type Error = <U as TryFrom<T>>::Error

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