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  1. #include <type_traits>
  2.  
  3. int& get_i(){ static int i = 5; return i; }
  4.  
  5. int main(){
  6.   auto i1 = get_i(); // copy
  7.   decltype(get_i()) i2 = get_i(); // reference
  8.   static_assert(std::is_same<decltype(i1), int>::value, "wut");
  9.   static_assert(std::is_same<decltype(i2), int&>::value, "huh");
  10. }
  11.  
Success #stdin #stdout 0s 2880KB
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https://ideone.com/c2PM9
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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