Trait backtracking_iterator::SliceableIterator

pub trait SliceableIterator: BacktrackingIterator {
    type Slice: ?Sized;
    fn slice(
        &self, 
        range: impl RangeBounds<Self::RefPoint>
    ) -> Option<&Self::Slice>;
}

A backtracking iterator which represents history in a way that makes it possible to produce slices over ranges of RefPoints.

Associated Types

type Slice: ?Sized

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Required methods

fn slice(&self, range: impl RangeBounds<Self::RefPoint>) -> Option<&Self::Slice>

Produce a slice corresponding to the given range.

• If the starting bound is Unbounded, behaviour must be equivalent to if it were set to the value of get_oldest_point().
• If the end bound is Unbounded, behaviour must be that the slice contains at least up to the element corresponding last-most RefPoint obtainable from the BacktrackingIterator - the slice may or may not contain more elements.

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Implementors

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