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  1. #include <iostream>
  2. typedef void (*vfunp)(...);
  3.  
  4. template <typename A>
  5. struct X
  6. {
  7.   void  a1 () { (int)(vfunp)A::foo<2>(5); };
  8.   void  a2 () { (int)(vfunp)A::template foo<2>(5); }
  9.  
  10. };
  11.  
  12. struct Y
  13. {
  14.   static void foo(...) { }
  15.   template <int> static void* foo(...) { std::cout << "Oops!" << std::endl; return 0; }
  16. };
  17.  
  18. int main ()
  19. {
  20.   X<Y> moo;
  21.   moo.a1();
  22.   moo.a2();
  23. }
Success #stdin #stdout 0s 3296KB
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Standard input is empty
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Oops!
https://ideone.com/UIqrtb
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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