C/C++ 语言 ‘ == ‘ 运算符仅适用于算数表达式

示例代码：

#include 

typedef struct {
	int a;
	int b;
} TestStruct;

int main(void)
{
	TestStruct testA = { 0 }, testB = { 0 };
	if (testA == testB) {
		printf("You can do this!\n");
	}

	return 0;
}