Return a mask with all bits at or below index set.
Declared in <bdlb_bitmaskutil.h>
static
uint64_t
le64(int index);
Return the unsigned integral value having all bits at positions less than or equal to the specified index set to 1, and all other bits set to 0. The behavior is undefined unless 0 <= index <= # of bits in result.
mask with all bits at or below index set
| Name | Description |
|---|---|
| index | highest bit position that is set |