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  1. #include <iostream>
  2.  
  3. template <typename T>
  4. class A
  5. {
  6. public:
  7.     void func(T&&)//accept rvalue
  8.     {
  9.         std::cout<<"in rvalue\n";
  10.     }
  11.     void func(T&)//accept lvalue
  12.     {
  13.         std::cout<<"in lvalue\n";
  14.     }
  15. };
  16.  
  17. int main() 
  18. {    
  19.     A<double> a;
  20.     double n = 3;
  21.     a.func(n);
  22.     a.func(5.);
  23. }
Success #stdin #stdout 0s 3296KB
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stdin
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Standard input is empty
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in lvalue
in rvalue
https://ideone.com/DN7eJL
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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