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  1. #include <iostream>
  2. #include <string>
  3. #include <sstream>
  4.  
  5. template<typename T>
  6. struct Test {
  7. 	T value;
  8. 	Test(std::string);
  9. };
  10.  
  11. template<>
  12. inline Test<std::string>::Test(std::string str) {
  13. 	value = str;
  14. }
  15.  
  16. template<typename T>
  17. inline Test<T>::Test(std::string str) {
  18. 	std::stringstream ss;
  19. 	ss.str(str);
  20. 	ss >> value;
  21. }
  22.  
  23. int main() {
  24. 	Test<int> t1{"42"};
  25. 	Test<double> t2{"3.14159"};
  26. 	Test<std::string> t3{"Hello world"};
  27.  
  28. 	std::cout
  29. 		<< t1.value << std::endl
  30. 		<< t2.value << std::endl
  31. 		<< t3.value << std::endl;
  32.  
  33. 	return 0;
  34. }
  35.  
Success #stdin #stdout 0s 3460KB
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stdin
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Standard input is empty
stdout
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42
3.14159
Hello world
https://ideone.com/VSoAzQ
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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