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  1.     #include <string>
  2.     #include <memory>
  3.     template <class T> struct TInfo;
  4.     template <class T> class MyClass;
  5.  
  6.     #define TINFO(type)                                \
  7.     template <> struct TInfo<type> {                   \
  8.       static char const* getName() {                   \
  9.         return #type;                                  \
  10.       }                                                \
  11.     };                                                 \
  12.     typedef MyClass<type> type##_Class;                \
  13.     typedef std::unique_ptr<MyClass<type>> type##_UPtr; 
  14.  
  15.  
  16.     template <class T>
  17.     class MyClass {
  18.     private:
  19.       std::string m_typeName;
  20.  
  21.     public:
  22.       MyClass(std::string objName = "ObjectName") 
  23.         : m_typeName(std::string(TInfo<T>::getName()) + "_" + objName)
  24.       {}
  25.  
  26.       std::string const& getName() {
  27.         return m_typeName;
  28.       }
  29.     };
  30.  
  31.  
  32.     //usage:
  33.     #include <iostream>
  34.  
  35.     TINFO(int);
  36.     int main()
  37.     {
  38.       int_UPtr pi(new int_Class());
  39.       std::cout << pi->getName() << '\n';
  40.     }
Success #stdin #stdout 0s 3028KB
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int_ObjectName
https://ideone.com/3ivyqv
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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