  
      cdef void clone(self, StateClass src) nogil:
          memcpy(self._sent, src._sent, self.length * sizeof(TokenC))
          memcpy(self._stack, src._stack, self.length * sizeof(int))
          memcpy(self._buffer, src._buffer, self.length * sizeof(int))
          memcpy(self._ents, src._ents, self.length * sizeof(Entity))
          self._b_i = src._b_i
          self._s_i = src._s_i
 
</s>
        self.c.clone(src.c)
  
      cdef void clone(self, StateClass src) nogil:
        self.c.clone(src.c)
          memcpy(self._sent, src._sent, self.length * sizeof(TokenC))
          memcpy(self._stack, src._stack, self.length * sizeof(int))
          memcpy(self._buffer, src._buffer, self.length * sizeof(int))
          memcpy(self._ents, src._ents, self.length * sizeof(Entity))
          self._b_i = src._b_i
          self._s_i = src._s_i
keep add keep keep keep keep keep keep
 * Shadow StateClass with StateC, to start proxying
spacy/syntax/stateclass.pyx