Return a mask with all bits at or below index set.
Synopsis
Declared in <bdlb_bitmaskutil.h>
static
uint64_t
le64(int index);Description
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.
Return Value
mask with all bits at or below index set
Parameters
Name |
Description |
index |
highest bit position that is set |
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