// as can the definition of type info vs payload above.
//
#if __LP64__
#define CF_IS_TAGGED_OBJ(PTR)	((uintptr_t)(PTR) & 0x1)
#define CF_TAGGED_OBJ_TYPE(PTR)	((uintptr_t)(PTR) & 0xF)
#else
#define CF_IS_TAGGED_OBJ(PTR)	0
#define CF_TAGGED_OBJ_TYPE(PTR)	0
#endif

enum {
    kCFTaggedObjectID_Invalid = 0,
    kCFTaggedObjectID_Atom = (0 << 1) + 1,