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  1. #include <iostream>
  2.  
  3. auto func()
  4. {
  5.     struct Test
  6.     {
  7.         int f();
  8.     };
  9.     return Test{};
  10. }
  11.  
  12. int main()
  13. {
  14.     auto t = func();
  15.     std::cout << t.f() << std::endl;
  16. }
  17.  
  18. using func_Test = decltype(func());
  19. int func_Test::f()
  20. {
  21.     return 7;
  22. }
  23.  
Success #stdin #stdout 0s 3340KB
comments (?)
stdin 
Standard input is empty
stdout 
7
https://ideone.com/YjMZYA
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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