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  1. #include <iostream>
  2. #include <stdint.h>
  3. #include <thread>
  4. #include <list>
  5.  
  6. class ReaderA
  7. {
  8. public:
  9.     ReaderA() {}
  10.     ~ReaderA() {}
  11.  
  12.     template <typename T>
  13.     void read(std::list<T> *stack) = 0;
  14.  
  15. };
  16.  
  17. class Reader : public ReaderA
  18. {
  19. public:
  20.     Reader() {}
  21.     ~Reader() {}
  22.  
  23.     template <typename T>
  24.     void read(std::list<T> *stack)
  25.     {
  26.         std::cout << "i'm supposed to read";
  27.         stack.push_back(1); //lets push some data
  28.     }
  29.  
  30. };
  31.  
  32. class Caller
  33. {
  34. public:
  35.     Caller(ReaderA *reader) : _reader(reader)
  36.     {
  37.  
  38.     }
  39.  
  40.     ~Caller() {}
  41.  
  42.     template <typename T>
  43.     void call(std::list<T> *stack)
  44.     {
  45.         std::thread *thread = new std::thread(
  46.                     static_cast<void (ReaderA::*)(std::list<T> *)>(&ReaderA::read),
  47.                     _reader, stack);
  48.     }
  49.  
  50. protected:
  51.     ReaderA *_reader;
  52. };
  53.  
  54. int main()
  55. {
  56.     Reader *r = new Reader();
  57.     Caller *c = new Caller(r);
  58.     std::list<uint32_t> *list = new std::list<uint32_t>();
  59.  
  60.     c->call(list);
  61.     return (0);
  62. }
  63.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.cpp:13:38: error: templates may not be 'virtual'
     void read(std::list<T> *stack) = 0;
                                      ^
stdout 
Standard output is empty
https://ideone.com/gVh1Du
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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