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(méi)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(guān)于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. 哈希函數通常用于數字簽名和保持數據完整性。
