| Parameter | Description |
|---|---|
| pos | Index of the bit at which to start searching. |
| numBits | Number of bits to test. Defaults to 1. |
bool
Returns true if none of the bits in range pos up to (but not including) pos + numBits are 1.
Returns true if none of the bits in a range are 1 ("i.e." all bits in the range are 0).