Function

CFBitVectorGetBitAtIndex(_:_:)

Returns the bit value at a given index in a bit vector.

Declaration

func CFBitVectorGetBitAtIndex(_ bv: CFBitVector!, _ idx: CFIndex) -> CFBit

Parameters

bv

The bit vector to examine.

idx

The index of the bit value in bv to return.

Return Value

The bit value at index idx in bv.

See Also

Getting Information About a Bit Vector

func CFBitVectorContainsBit(CFBitVector!, CFRange, CFBit) -> Bool

Returns whether a bit vector contains a particular bit value.

func CFBitVectorGetBits(CFBitVector!, CFRange, UnsafeMutablePointer<UInt8>!)

Returns the bit values in a range of indices in a bit vector.

func CFBitVectorGetCount(CFBitVector!) -> CFIndex

Returns the number of bit values in a bit vector.

func CFBitVectorGetCountOfBit(CFBitVector!, CFRange, CFBit) -> CFIndex

Counts the number of times a certain bit value occurs within a range of bits in a bit vector.

func CFBitVectorGetFirstIndexOfBit(CFBitVector!, CFRange, CFBit) -> CFIndex

Locates the first occurrence of a certain bit value within a range of bits in a bit vector.

func CFBitVectorGetLastIndexOfBit(CFBitVector!, CFRange, CFBit) -> CFIndex

Locates the last occurrence of a certain bit value within a range of bits in a bit vector.