pub(crate) fn place_cell(
app: &CubeStores,
r4: &mut TypedDomain<EuclideanR4>,
rotor: Rotor4,
cell: Cell,
) -> Result<(), DomainError>pub(crate) fn place_cell(
app: &CubeStores,
r4: &mut TypedDomain<EuclideanR4>,
rotor: Rotor4,
cell: Cell,
) -> Result<(), DomainError>