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LastWriteWins

Struct LastWriteWins 

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pub struct LastWriteWins;
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默认合并策略 — 最后一个分支获胜。

适用于大多数场景:各分支从同一 base 出发, 最后一个分支的写入覆盖前面的。

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impl<S> MergeStrategy<S> for LastWriteWins

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fn merge(branches: Vec<S>) -> Result<S, WorkflowError>

合并多个并行分支的状态。 Read more
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fn default_instance() -> Self

创建策略的默认实例(供 ParallelNodeBuilder 使用)。 对于无状态策略(如 StateMerge、LastWriteWins),直接返回自身。

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impl<T> Any for T
where T: 'static + ?Sized,

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

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impl<T, U> Into<U> for T
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Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
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type Error = Infallible

The type returned in the event of a conversion error.
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Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
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