fork download
copy 
  1. #include <iostream>
  2. #include <type_traits>
  3.  
  4. struct A
  5. {
  6.     void foo() { std::cout << "A::foo()\n" ; }
  7.     void foo() const { std::cout << "A::foo() const\n" ; }
  8. };
  9.  
  10. template < typename T > struct B
  11. {
  12.     void bar() { const_cast<T&>(data).foo() ; }
  13.  
  14.     private: typename std::remove_const<T>::type data ;
  15. };
  16.  
  17. int main()
  18. {
  19.     B<A> x ; x.bar() ; // A::foo()
  20.  
  21.     B<const A> y ; y.bar() ; // A::foo() const
  22. }
  23.  
Success #stdin #stdout 0s 2896KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
A::foo()
A::foo() const
https://ideone.com/RnYhYP
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!