C++ pair 类定义在哪个头文件里?

2025-03-13 02:37:04
推荐回答(3个)
回答(1):

与关联容器相关的模板类型,包含两个数据成员,在utility头文件中定义。
类模板:template struct pair
参数:T1是第一个值的数据类型,T2是第二个值的数据类型。
功能:pair将一对值组合成一个值,这一对值可以具有不同的数据类型(T1和T2),两个值可以分别用pair的两个公有函数first和second访问。

回答(2):

utility

回答(3):

utility utility utility utility utility utility utility utility utility utility utility utility utility utility utility utility utility utility utility utility utility utility utility utility utility utility utility utility utility utility utility utility utility

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