Set each bit of this bitset for each corresponding bit that is 1 in the specified rhs, and leaves all other bits unchanged. Return a reference to this modifiable bitset. Note that this is equivalent to a bitwise AND.
Set each bit of this bitset for each corresponding bit that is 1 in the specified rhs, and leaves all other bits unchanged. Return a reference to this modifiable bitset. Note that this is equivalent to a bitwise AND.