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  1. #include <iostream>
  2. #include <complex>
  3. using namespace std;
  4.  
  5. template<typename T, decltype((T)0/(T)0)* v = nullptr>
  6. T half(T arg)
  7. {
  8. 	return arg/(T)2;
  9. }
  10.  
  11. string half(string arg)
  12. {
  13. 	return arg.substr(0, arg.length()/2);
  14. }
  15.  
  16. int main()
  17. {
  18. 	cout << half(2) << endl;
  19. 	cout << half(0.5) << endl;
  20. 	cout << half(complex<float>(0, 1)) << endl;
  21. 	cout << half(string("trivial")) << endl;
  22. 	return 0;
  23. }
Success #stdin #stdout 0s 3472KB
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stdin
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Standard input is empty
stdout
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1
0.25
(0,0.5)
tri
https://ideone.com/DuBaF5
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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