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pub trait FromOperationState<O, D>: Sized {
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fn from_operation_state(
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state: &mut State,
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object: &O,
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operation: &D,
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) -> Result<Self, OperationError<anyhow::Error>>;
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}
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pub struct StateExtractor<T>(T);
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impl<T: FromState> FromState for StateExtractor<T> {
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fn from_state(state: &mut State) -> Result<Self, anyhow::Error> {
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todo!()
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}
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}
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