c中将数组传递给子函数

Here, we have to define a Non-Member Function, in which we have to pass an Object to the class in C++ programming language.

在这里，我们必须定义一个非成员函数，其中必须将一个Object传递给C ++编程语言的类。

What we are doing in this example?

在此示例中我们正在做什么？

• We declared a class named Number that has a private data member named num.

  我们声明了一个名为Number的类，该类具有一个名为num的私有数据成员。

• We define a Non Member function named myFunction(), that will take two parameters 1) object to class Number and 2) an integer variable number.

  我们定义了一个名为myFunction()的非成员函数，该函数将使用两个参数：1)对象为Number类，以及2)一个整数变量number 。

Using the example, We have to supply a number (from the main() function) to the class's data member using a Non-Member Function.

使用示例，我们必须使用非成员函数为类的数据成员提供一个数字(来自main()函数)。

Program:

程序：

#include <iostream>
using namespace std;
class Number
{
private:
int num;
public:
void setNum(int n)
{
num = n;
}
int getNum(void)
{
return num;
}
};
//a non member function 
void myFunction(class Number N, int number)
{
//calling setter function and asigning the number 
N.setNum(number) ;
//calling getter function and printing the value 
cout<<"The value is: " << N.getNum() << endl;
}
//Main function
int main()
{
//local variable of the main 
int num;
//object to Number class 
Number objN;
num = 10;
//supplying this 'num' to the class by passing  
//the name to the class in a non memberfunction
myFunction (objN, num);
return 0;
}

Output

输出量

The value is: 10

翻译自: https://www.includehelp.com/cpp-programs/passing-an-object-to-a-non-member-function-in-cpp.aspx

c中将数组传递给子函数