// hash value between 0 and M-1
func (st *SeparateChainingHashST) hash(key string) uint32 {
h := dgohash.NewJava32()
h.Write([]byte(key))
bsum := h.Sum(nil)
s := binary.BigEndian.Uint32(bsum)
res := s & uint32(st.m-1)
return res
}
// hash value between 0 and M-1
func (st *LinearProbingHashST) hash(key string) int {
h := dgohash.NewJava32()
h.Write([]byte(key))
bsum := h.Sum(nil)
s := binary.BigEndian.Uint32(bsum)
res := int(s & uint32(st.m-1))
//fmt.Println("key", key, "hash", res)
return res
}