Trait eventually::aggregate::optional::OptionalAggregate

pub trait OptionalAggregate {
    type State;
    type Event;
    type Error;
    fn initial(event: Self::Event) -> Result<Self::State, Self::Error>;
    fn apply_next(
        state: Self::State, 
        event: Self::Event
    ) -> Result<Self::State, Self::Error>;
}

Associated Types

type State

type Event

type Error

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Required methods

fn initial(event: Self::Event) -> Result<Self::State, Self::Error>

fn apply_next(
    state: Self::State,
    event: Self::Event
) -> Result<Self::State, Self::Error>

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Implementors

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