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  1. #include <cstdio>
  2. int main() {  
  3.    class T1;
  4.    class T2;
  5.    class T1{
  6.    public:
  7.       int a;
  8.       T2* tu;
  9.    };
  10.    class T2{
  11.    public:
  12.       T1* mu;
  13.    };
  14.  
  15.    T1 a1;
  16.    T2 a2;
  17.    a1.a=17;
  18.    a1.tu=&a2;
  19.    a2.mu=&a1;
  20.    printf("%d %d\n",a1.a,a1.tu->mu->a);
  21. }
Success #stdin #stdout 0s 4412KB
comments (?)
stdin 
Standard input is empty
stdout 
17 17
https://ideone.com/TjubBE
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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