handle.cpp

#include <iostream>

// modified from https://wandbox.org/permlink/YnHKdrHmMFiJsjOm

template <typename T, typename Deleter>
struct handle {
  handle(T value, Deleter deleter = Deleter()) : value_(value), deleter_(deleter) {
  }
  
  ~handle() {
    deleter_.close(value_);
  }
  
private:
  T value_;
  Deleter deleter_;
};

struct close_type {
  static void close(int value) {
    std::cout << value << std::endl;
  }
};

int main() {
  handle<int, close_type> h(3);
}