C++ 引用类型的内存管理

C++ 引用类型的内存管理

cpp
int num = 10;
int &refNum = num;

cpp
#include 
using namespace std;
void increment(int &num) {
    num++;
}
int main() {
    int num = 10;
    int &refNum = num;
    
    cout << "num: " << num << endl;      // 输出：num: 10
    cout << "refNum: " << refNum << endl;// 输出：refNum: 10
    
    increment(refNum);
    
    cout << "num: " << num << endl;      // 输出：num: 11
    cout << "refNum: " << refNum << endl;// 输出：refNum: 11
    
    return 0;
}