hash function的用法和樣例：
例句
- The function has no effect if an exception is thrown, unless it is thrown by the container's hash function or comparison function.
如果拋出異常，則該函數沒有作用，除非異常是從容器的散列函數或比較函數中拋出的。 - There is more information on hash functions and equality predicates in the next section.
在下一節中，有更多的關於散列函數和等同性謂詞的信息。 - Serves as a hash function for this object.
作為此對象的哈希函數。 - Hash functions are commonly used with digital signatures and for data integrity.
哈希函數通常用於數字簽名和保持數據完整性。
