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  1. #include <iostream>
  2.  
  3. struct A
  4. {
  5.     void foo() { std::cout << "A::foo()\n" ; }
  6.     void foo() const { std::cout << "A::foo() const\n" ; }
  7. };
  8.  
  9. template < typename T > struct B
  10. {
  11.     private: typename std::remove_const<T>::type private_data ;
  12.     public: T& public_data = private_data ;
  13. };
  14.  
  15. int main()
  16. {
  17.     B<A> x ; x.public_data.foo() ; // A::foo()
  18.  
  19.     B<const A> y ; y.public_data.foo() ; // A::foo() const
  20. }
  21.  
Success #stdin #stdout 0s 2896KB
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stdin
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Standard input is empty
stdout
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A::foo()
A::foo() const
https://ideone.com/RAbNyA
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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