Function WidthU

native/thirdpart/flatbuffers/flexbuffers.h:183–193

}

inline BitWidth WidthU(uint64_t u) {
#define FLATBUFFERS_GET_FIELD_BIT_WIDTH(value, width)                   \
  {                                                                     \
    if (!((u) & ~((1ULL << (width)) - 1ULL))) return BIT_WIDTH_##width; \
  }
  FLATBUFFERS_GET_FIELD_BIT_WIDTH(u, 8);
  FLATBUFFERS_GET_FIELD_BIT_WIDTH(u, 16);
  FLATBUFFERS_GET_FIELD_BIT_WIDTH(u, 32);
#undef FLATBUFFERS_GET_FIELD_BIT_WIDTH
  return BIT_WIDTH_64;
}

inline BitWidth WidthI(int64_t i) {
  auto u = static_cast<uint64_t>(i) << 1;