Function AddOffset

native/thirdpart/flatbuffers/flatbuffers.h:1392–1395

  }

  template<typename T> void AddOffset(voffset_t field, Offset<T> off) {
    if (off.IsNull()) return;  // Don't store.
    AddElement(field, ReferTo(off.o), static_cast<uoffset_t>(0));
  }

  template<typename T> void AddStruct(voffset_t field, const T *structptr) {
    if (!structptr) return;  // Default, don't store.