如何传递一个类对象作为参数 [英] how to pass a class object as parameter

问题描述

所以我有两个代表每个链表的类

so I have two classes representing each a linked list

class list1 {

      //some functions

};

class list2 {

      //some functions

}

我有我的主要功能，有两个对象LL1和LL2分别用于list1类和list2类。

and I have my main function with two object LL1 and LL2 for respectively list1 class and list2 class.

int main()
{
     list1   LL1;
     list2   LL2;
}

现在我想调用一个合并这两个列表的函数merge。并将列表的两个对象作为参数。

now I would like to call a function merge that merges those two lists together. and takes the two objects of the lists as parameter.

允许调用函数

void merge(object list1, object list2)  

main类似

merge(LL1, LL2);

是可能吗？

推荐答案

是的，可以将对象作为参数传递。

Yes it is possible to pass an object as a parameter.

class list {

      //some functions

};

list merge(const list& l1, const list& l2)
{
  list mergedList;
  //logic to merge l1 and l2 and copy it to mergedList
  return mergedList;
}

int main()
{
     list   LL1;
     list   LL2;

     list mergedList = merge(LL1, LL2);
}

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