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  1. #include <iostream>
  2.  
  3. struct custom_wrapper
  4. {
  5. public:
  6.     custom_wrapper();
  7.  
  8.     class custom_class_two;
  9.  
  10.     class custom_class_one
  11.     {
  12.     private:
  13.         int number1;
  14.     public:
  15.         int getNumber1();
  16.         int accessSisterMethods(custom_class_two& obj) {
  17.          return obj.getNumber2();   
  18.         }
  19.     };
  20.  
  21.    class custom_class_two
  22.     {
  23.     private:
  24.         int number2;
  25.     public:
  26.         int getNumber2() {
  27.             return 42;
  28.         }
  29.     };
  30.  
  31.     class custom_class_three
  32.     {
  33.     private:
  34.         int number3;
  35.     public:
  36.         int getNumber3();
  37.     };
  38. };
  39.  
  40.  
  41. int main()
  42. {
  43.     custom_wrapper::custom_class_one obj1;
  44.     custom_wrapper::custom_class_two obj2;
  45.  
  46.     std::cout << obj1.accessSisterMethods(obj2);
  47. }
Success #stdin #stdout 0s 3340KB
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stdin
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Standard input is empty
stdout
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42
https://ideone.com/e3aDO4
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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