错误 C2106 “=”: 左操作数必须为左值

Question

#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
#include <string.h>
#include<iostream>
 
int main()
{
    int a2 = 1;
    int b2 = 0;
    while (a2++  = b2    )
    {
    }
    std::cout << a2 << std::endl;  
         
}

Answer 1

while (a2++ = b2 )不可以这么写赋值语句的。你应该是想写判断语句吧
while(b2 == a2++)