And is a package level implementation of 'and' between first and masks.

IterateBitMasks iterates all possible masks from a list of bits, issuing a callback on each mask.

NewBitMask creates a new BitMask.

NewEmptyBitMask creates a new, empty BitMask.

Or is a package level implementation of 'or' between first and masks.

BitMask interface allows hint providers to create BitMasks for TopologyHints.