Trait lis::DiffCallback

pub trait DiffCallback<S, T> {
    fn inserted(&mut self, new: T);
    fn unchanged(&mut self, old: S, new: T);
    fn removed(&mut self, old: S);

    fn moved(&mut self, old: S, new: T) { ... }
}

Gets notified for each step of the diffing process.

Required methods

fn inserted(&mut self, new: T)

Called when a new element was inserted.

fn unchanged(&mut self, old: S, new: T)

Called when an element stayed in place.

fn removed(&mut self, old: S)

Called when an element was removed.

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Provided methods

fn moved(&mut self, old: S, new: T)

Called when an element was moved.

The default definition reduces to calls to [removed] and [inserted].

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Implementors

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