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  1. #include <vector>
  2. #include <iostream>
  3.  
  4. template<typename Delegates, typename Function, typename... Args>
  5. void callOnAll(Delegates delegates, Function f, Args... args) {
  6.     for (int i = 0; i < delegates.size(); i++)
  7.         f(delegates[i], args...);
  8. }
  9.  
  10. struct Delegate {
  11.     int x;
  12.     Delegate(int x) : x(x) {}
  13.     void doSomething(int foo) {
  14.         std::cout << "doSomething(" << foo << ") on Delegate(" << x << ")" << std::endl;
  15.     }
  16. };
  17.  
  18. int main()
  19. {
  20.     std::vector<Delegate*> delegates;
  21.     delegates.push_back(new Delegate(1));
  22.     delegates.push_back(new Delegate(2));
  23.     delegates.push_back(new Delegate(3));
  24.     callOnAll(delegates, std::mem_fun<void,Delegate>(&Delegate::doSomething), 42);
  25. }
Success #stdin #stdout 0s 3020KB
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Standard input is empty
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doSomething(42) on Delegate(1)
doSomething(42) on Delegate(2)
doSomething(42) on Delegate(3)
https://ideone.com/jrozqr
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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