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  1. #include <iostream>
  2. #include <vector>
  3. #include <string>
  4. #include <functional>
  5. #include <utility>
  6.  
  7. class cButton{
  8.     private:
  9.         const std::function<void()> effect;
  10.     public:
  11.         cButton(const std::function<void()>& effect);
  12.         void onClick();};
  13.  
  14. cButton::cButton(const std::function<void()>& effect): effect(effect){}
  15.  
  16.  
  17. class cMessage{
  18.     public:
  19.         std::vector<cButton*> button;
  20.         cMessage(const std::vector<std::function<void()> >& effect);};
  21.  
  22.  
  23. cMessage::cMessage(const std::vector<std::function<void()> >& effect){
  24.     for(unsigned int i = 0; i < effect.size(); i++)
  25.         button.push_back(new cButton(effect[i])); }
  26.  
  27.  
  28. void cButton::onClick(){
  29.     if(effect) effect();
  30.     }
  31.  
  32. int main(){
  33.     cMessage* message{};
  34.     {
  35.     	const std::pair<const std::string, const unsigned int> var("test", 1);
  36.      	std::function<void()> f = [var](){ std::cout << var.first << std::endl << var.second << std::endl; };
  37.      	message = new cMessage( {f} );
  38.     } 
  39.     message->button[0]->onClick();
  40. }
Success #stdin #stdout 0s 3476KB
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test
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https://ideone.com/3BYTRG
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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