144 class AddOnImpl : public FstImpl<typename F::Arc> {
156   AddOnImpl(const F &fst, const string &type, T *t = 0)
165   AddOnImpl(const Fst<Arc> &fst, const string &type, T *t = 0)
173   AddOnImpl(const AddOnImpl<F, T> &impl)  in AddOnImpl()  function
181   ~AddOnImpl() {  in ~AddOnImpl()
200   static AddOnImpl<F, T> *Read(istream &strm, const FstReadOptions &opts) {  in Read()
207     AddOnImpl<F, T> *impl = new AddOnImpl<F, T>(nopts.header->FstType());  in Read()
233     impl = new AddOnImpl<F, T>(*fst, nopts.header->FstType(), t);  in Read()
284   explicit AddOnImpl(const string &type) : t_(0) {  in AddOnImpl()  function
297   void operator=(const AddOnImpl<F, T> &fst);  // Disallow
300 template <class F, class T> const int AddOnImpl<F, T>::kFileVersion;
301 template <class F, class T> const int AddOnImpl<F, T>::kMinFileVersion;