pub fn included<F: PrimeField, A: MachineAir<F>>(&self, air: &A) -> bool
    where
        <K as FromStr>::Err: std::fmt::Debug,
    {
        self.inner.contains_key(&K::from_str(&air.name()).unwrap())
    }
Whether the shape includes a given AIR.

TODO: Deprecate by adding `air.id()`.
crates/stark/src/shape/mod.rs