#include <string>
#include <iostream>

class Foobar {
 public:
  Foobar() {
    std::cout << "Foobar()\n";
  }
  bool contains(char c) const;
  ~Foobar() { std::cout << "~Foobar()\n"; }

 private:
  const std::string issue = "abcde";
};


bool Foobar::contains(char c) const
{
  return issue.find(c) != std::string::npos;
}


bool leak(char c) {
  static const Foobar *issue = new Foobar();
  return issue->contains(c);
}

bool noLeak(char c) {
  static const Foobar issue;
  return issue.contains(c);
}


int main() {
  for (int i = 0; i < 500; ++i) {
    std::cout << noLeak('e');
  }

  std::cout << "\n";

  for (int i = 0; i < 500; ++i) {
    std::cout << leak('e');
  }

  return 0;
}