Function encode

bolt/common/hyperloglog/SparseHll.cpp:39–41

const int8_t kIndexBitLength = 26;

inline uint32_t encode(uint32_t index, uint32_t value) {
  return index << kValueBitLength | value;
}

inline uint32_t decodeIndex(uint32_t entry) {
  return entry >> kValueBitLength;