// Close frees native C resources
func (ws *WordStemmer) Close() error {
ws.mutex.Lock()
defer ws.mutex.Unlock()
if nil != ws.stemmer {
C.sb_stemmer_delete(ws.stemmer)
ws.stemmer = nil
return nil
}
return fmt.Errorf("Cannot close: stemmer is not valid.")
}
// internal method for GCing the C allocated stemmer
func (s Stemmer) Close() {
C.sb_stemmer_delete(s.stemmer)
}
// free C resources
func free(stmr *Stemmer) {
if stmr.stmr != nil {
C.sb_stemmer_delete(stmr.stmr)
stmr.stmr = nil
}
}