小编Seb*_*hil的帖子

鉴于代码：

#include <iostream>

typedef int Integer;
Integer Integer = 1234;

int main() {
    std::cout <<  "Integer: " << Integer;
}

使用gcc 11.2 编译器编译代码会导致编译错误：

error: 'Integer Integer' redeclared as different kind of entity
    4 | Integer Integer = 1234;
      |         ^~~~~~~

note: previous declaration 'typedef int Integer'
    3 | typedef int Integer;
      |             ^~~~~~~

In function 'int main()':
error: expected primary-expression before ';' token
    7 |         std::cout <<  "Integer: " << Integer;
      |                                             ^

但是，将代码更改为：

error: 'Integer Integer' redeclared as …