BloombergLP::bdlb::BitMaskUtil::eq64

Return a mask with only the bit at index set.

Synopsis

Declared in <bdlb_bitmaskutil.h>

static
uint64_t
eq64(int index);

Description

Return the unsigned integral value having the bit at the specified index position 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 only the bit at index set

Parameters

NameDescription
indexbit position to set