Function size

native/thirdpart/flatbuffers/flatbuffers.h:1003–1005

  Allocator *get_custom_allocator() { return allocator_; }

  uoffset_t size() const {
    return static_cast<uoffset_t>(reserved_ - static_cast<size_t>(cur_ - buf_));
  }

  uoffset_t scratch_size() const {
    return static_cast<uoffset_t>(scratch_ - buf_);