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  1. #include <type_traits>
  2.  
  3. struct X{
  4.   bool operator()(int (&&arr)[3]);
  5.   long operator()(void*);
  6. };
  7.  
  8. // X x; x(alias<int[]>{1,2,3}); -- will call first overload
  9. static_assert(std::is_same<std::result_of<X(int[3])>::type, bool>(), "/cry");
  10. static_assert(std::is_same<decltype(std::declval<X>()(std::declval<int[3]>())), long>(), "/yay");
  11.  
  12. int main(){}
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp:9:1: error: static assertion failed: /cry
prog.cpp:10:1: error: static assertion failed: /yay
stdout
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Standard output is empty
https://ideone.com/JB83Zd
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
secret

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