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  1. #include <algorithm>
  2. #include <functional>
  3. #include <iostream>
  4. #include <memory>
  5. #include <string>
  6. #include <type_traits>
  7. #include <utility>
  8.  
  9.  
  10. struct field
  11. {
  12.     template<typename TDataType, typename = typename
  13.             std::enable_if< std::is_fundamental<TDataType>::value &&
  14.                             std::is_same<TDataType, std::nullptr_t>::value == false &&
  15.                             std::is_same<TDataType, void>::value == false>::type>
  16.     void set_data(TDataType data, size_t index = 0)
  17.     {
  18.     	std::cout << "Fundamental\n";
  19.     }
  20.  
  21.     template<typename TDataType, typename = void, typename = typename
  22.             std::enable_if< std::is_same<std::string, TDataType>::value ||
  23.                             std::is_same<char const *, TDataType>::value>::type>
  24.     void set_data(TDataType data, size_t index = 0)
  25.     {
  26.     	std::cout << "String\n";
  27.     }
  28. };
  29.  
  30.  
  31. int main()
  32. {
  33. 	field f;
  34. 	f.set_data("abc");
  35. 	f.set_data(7);
  36. }
Success #stdin #stdout 0s 3296KB
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stdin
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Standard input is empty
stdout
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String
Fundamental
https://ideone.com/08nagH
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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