HistoryManager

moduforge_runtime::history_manager

Struct HistoryManager 

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pub struct HistoryManager<T: Clone> { /* private fields */ }
Expand description

历史管理器

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impl<T: Clone> HistoryManager<T>

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pub fn new(initial_state: T, history_limit: Option<usize>) -> Self

创建新的历史管理器

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pub fn get_present(&self) -> T

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pub fn insert(&mut self, state: T)

插入新状态

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pub fn jump_to_future(&mut self, index: usize)

跳转到未来状态

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pub fn jump_to_past(&mut self, index: usize)

跳转到过去状态

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pub fn jump(&mut self, n: isize)

通用跳转方法

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pub fn clear_history(&mut self)

清空历史记录

Auto Trait Implementations§

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impl<T> Freeze for HistoryManager<T>
where T: Freeze,

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impl<T> RefUnwindSafe for HistoryManager<T>
where T: RefUnwindSafe,

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impl<T> Send for HistoryManager<T>
where T: Send,

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impl<T> Sync for HistoryManager<T>
where T: Sync,

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impl<T> Unpin for HistoryManager<T>
where T: Unpin,

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impl<T> UnwindSafe for HistoryManager<T>
where T: UnwindSafe,

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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

Mutably borrows from an owned value. Read more
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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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impl<T, U> Into<U> for T
where U: From<T>,

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

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