WalkOperation

dtb_walker

Enum WalkOperation 

Source 
pub enum WalkOperation {
    StepInto,
    StepOver,
    StepOut,
    Terminate,
}
Expand description

遍历操作。

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StepInto

进入子节点

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StepOver

跳过子节点

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StepOut

跳过当前子树

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Terminate

结束遍历

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

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