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  1. #include <iostream>
  2.  
  3. template<typename T>
  4. inline int get_int(T const& in)
  5. {
  6.     std::cout << "In get_int!\n";
  7.     return in;
  8. }
  9.  
  10. inline int get_int(char const& in)
  11. {
  12.     std::cout << "In get_int(char)!\n";
  13.     return static_cast<int>(in);
  14. }
  15.  
  16. inline unsigned int get_int(unsigned char const& in)
  17. {
  18.     std::cout << "In get_int(unsigned char)!\n";
  19.     return static_cast<unsigned int>(in);
  20. }
  21.  
  22. template<typename T>
  23. void go(T const& arg)
  24. {
  25.     auto result = get_int(arg);
  26.     std::cout << "The integer is " << result << "\n";
  27. }
  28.  
  29. int main()
  30. {
  31.     go(static_cast<unsigned char>('a'));
  32.     go('a');
  33.     go(42);
  34. }
  35.  
Success #stdin #stdout 0s 2896KB
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stdin
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Standard input is empty
stdout
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In get_int(unsigned char)!
The integer is 97
In get_int(char)!
The integer is 97
In get_int!
The integer is 42
https://ideone.com/Z88DU6
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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