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  1. #include <vector>
  2. #include <iostream>
  3. #include <string>
  4. #include <memory>
  5. #include <math.h>
  6. #include <list>
  7. #include <thread>
  8. #include <atomic>
  9. #include <functional>
  10.  
  11. using namespace std;
  12.  
  13.  
  14.  class MClass
  15. {
  16. public:
  17.   std::function<void(void)> func_ptr;
  18.  
  19.   void setFuncPtr(const std::function<void(void)>& ptr)
  20.   {
  21.     func_ptr = ptr;
  22.   }
  23.  
  24.   void callFuncPtr()
  25.   {
  26.     func_ptr();
  27.   }
  28. };
  29.  
  30.  void globalFunction() { 
  31.  std::cout << " do globalFunction " << std::endl;
  32.  }
  33.  
  34.  struct Test
  35.  {
  36.    void print() { cout << "Test::print" << endl; }
  37.  };
  38.  
  39.  
  40. int main(int argc, int argv[])
  41. {
  42.    MClass m;
  43.    m.setFuncPtr(globalFunction);
  44.    m.callFuncPtr();
  45.  
  46.    m.setFuncPtr([](){ std::cout << " do something " << std::endl; });
  47.    m.callFuncPtr();
  48.  
  49.    Test t;
  50.    m.setFuncPtr(std::bind(&Test::print, t));
  51.    m.callFuncPtr();
  52.   return(0);
  53. }
Success #stdin #stdout 0s 2988KB
comments (?)
stdin 
Standard input is empty
stdout 
 do globalFunction 
 do something 
Test::print
https://ideone.com/I68JQ1
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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