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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. template<typename T>
  5. T half(T arg);
  6.  
  7. template<>
  8. int half<int>(int arg)
  9. {
  10. 	return arg/2;
  11. }
  12.  
  13. template<>
  14. double half<double>(double arg)
  15. {
  16. 	return arg/2;
  17. }
  18.  
  19. template<>
  20. string half<string>(string arg)
  21. {
  22. 	return arg.substr(0, arg.length()/2);
  23. }
  24.  
  25. int main()
  26. {
  27. 	cout << half(2) << endl;
  28. 	cout << half(0.5) << endl;
  29. 	cout << half(string("trivial")) << endl;
  30. 	return 0;
  31. }
Success #stdin #stdout 0s 3472KB
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1
0.25
tri
https://ideone.com/VJ4LH1
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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