/*********************************************************************
 * Software License Agreement (BSD License)
 * 
 *  Copyright (c) 2012, MBARI.
 *  All rights reserved.
 * 
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
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 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
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 *     disclaimer in the documentation and/or other materials provided
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#include <memory>

struct test_shared :public std::enable_shared_from_this<test_shared> {
  explicit test_shared(int val):value(val) {}
  ~test_shared() {}

  int const value;
};

int main(int argc, const char **argv) {
  std::shared_ptr<test_shared> p1 = std::make_shared<test_shared>(0), p2;
  std::weak_ptr<test_shared> w1(p1->shared_from_this());
  
  p2 = w1.lock();

  return (p1==p2)?p1->value:1;
}
