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  1. #include <iostream>
  2.  
  3. template<typename X>
  4. struct S
  5. {
  6.     typedef int func_t(X value);
  7.  
  8.     template<typename F>
  9.     struct Extract;
  10.     template<typename F>
  11.     struct Extract<int(F)>
  12.     {
  13.         typedef F type;
  14.     };    
  15.     typedef typename Extract<func_t>::type xtype;
  16. };
  17.  
  18. void x() { std::cout << "x" << std::endl; }
  19.  
  20. int main()
  21. {
  22.     S<void() volatile>::xtype z = &x;
  23.     z();
  24. }
Runtime error #stdin #stdout 0s 3456KB
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stdin
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Standard input is empty
stdout
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x
https://ideone.com/c64C65
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
secret

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