pub trait FromOperationState<O, D>: Sized {
    fn from_operation_state(
        state: &mut State,
        object: &O,
        operation: &D,
    ) -> Result<Self, OperationError<anyhow::Error>>;
}

pub struct StateExtractor<T>(T);

impl<T: FromState> FromState for StateExtractor<T> {
    fn from_state(state: &mut State) -> Result<Self, anyhow::Error> {
        todo!()
    }
}