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  1. #include <iostream>
  2. #include <string>
  3. #include <utility>
  4. typedef size_t Header;
  5. template <typename TPayload>
  6. class Message
  7. {
  8.     public:
  9.         template <typename ...Args>
  10.         Message(Args&&... args)
  11.              : m_header(sizeof(TPayload)),
  12.                m_payload(std::forward<Args>(args)...)
  13.                {}
  14.         void show_payload() const
  15.         {
  16.                 std::cout << m_payload << '\n';
  17.         }
  18.     private:
  19.         const Header   m_header;
  20.         const TPayload m_payload;
  21. };
  22.  
  23. int main()
  24. {
  25.         Message<std::string> test(10, 'a');
  26.         test.show_payload();
  27.  
  28.         Message<double> test2(3.14);
  29.         test2.show_payload();
  30.  
  31. }
  32.  
Success #stdin #stdout 0s 2960KB
comments (?)
stdin 
Standard input is empty
stdout 
aaaaaaaaaa
3.14
https://ideone.com/J1JnZ
language:
C++14 (gcc 8.3)
created:
13 years ago
visibility:
public

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