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  1.  
  2. #include <iostream>
  3. #include <type_traits>
  4. using namespace std;
  5.  
  6. template<typename T_orig> void f(T_orig& a){
  7.     a=5;
  8. }
  9.  
  10.  
  11. template<typename T_orig, typename T=T_orig&> void g(T a){
  12.     a=8;
  13. }
  14.  
  15. int main() {
  16.     int b=3;
  17.     f<decltype(b)>(b);
  18.     cout<<b<<endl;
  19.     g<decltype(b)>(b);
  20.     cout<<b<<endl;
  21.     return 0;
  22. }
Success #stdin #stdout 0s 2884KB
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5
5
https://ideone.com/9DSsfb
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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