It looks like the set composition function is going to fail for nested lattices, because it first sets all elements to the one with the highest count. If this atom is not allowed to be placed on all sites, the system is in an invalid state after this operation.
It looks like the set composition function is going to fail for nested lattices, because it first sets all elements to the one with the highest count. If this atom is not allowed to be placed on all sites, the system is in an invalid state after this operation.