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  1. #include <iostream>
  2.  
  3. class A
  4. {
  5.     public:
  6.         int v;
  7.         A(int _v) :
  8.         v(_v)
  9.         {
  10.         	std :: cout << "A::A ( " << _v << " )" << std ::endl ;
  11.         }
  12. };
  13.  
  14. class B : public A
  15. {
  16.     public:
  17.         using A::A ;
  18. };
  19.  
  20. int main()
  21. {
  22.     B b(2);
  23.     std::cout << b.v << "\n";
  24. }
Success #stdin #stdout 0s 3340KB
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stdin
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Standard input is empty
stdout
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A::A ( 2 )
2
https://ideone.com/iqBfOd
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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