pub fn shard_chips<'a, 'b>(
        &'a self,
        shard: &'b A::Record,
    ) -> impl Iterator<Item = &'b MachineChip<SC, A>>
    where
        'a: 'b,
    {
        self.chips.iter().filter(|chip| chip.included(shard))
    }
Returns an iterator over the chips in the machine that are included in the given shard.
crates/stark/src/machine.rs