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  1.     #include <iostream>
  2.     #include <string>
  3.  
  4.     class ADDON {
  5.         std::string s;
  6.  
  7.     public:
  8.         ADDON() {
  9.             s = "";
  10.         }
  11.  
  12.         explicit ADDON(std::string in) {
  13.             s = in;
  14.         }
  15.  
  16.         explicit ADDON(const char in[]) {
  17.             s = in;
  18.         }
  19.  
  20.         void operator=(const std::string in) {
  21.             s = in;
  22.         }
  23.  
  24.         std::string getString() {
  25.             return s;
  26.         }
  27.     };
  28.  
  29.     template<typename T>
  30.     void print_to_default_file(T &obj, ADDON addon = "")
  31.     { std::cout << "first overload\n"; }
  32.  
  33.     template<typename T>
  34.     void print_to_default_file(T &obj, std::string  objS) // or char* objS
  35.     { std::cout << "second overload\n"; }
  36.  
  37.     int main()
  38.     {
  39.          print_to_default_file("test","where will I go");
  40.     }
  41.  
Success #stdin #stdout 0s 3028KB
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stdin
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Standard input is empty
stdout
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second overload
https://ideone.com/1zwhsu
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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