Trait tract_pulse::internal::tract_core::ops::OpState    
pub trait OpState: Debug + DynClone + OpStateFreeze {
    fn eval(
        &mut self,
        session: &mut SessionState,
        op: &(dyn Op + 'static),
        inputs: SmallVec<[TValue; 4]>
    ) -> Result<SmallVec<[TValue; 4]>, Error>;
}