//-----------------------------------------------------------------------------

// boost-libs variant/libs/test/class_a.h header file

// See http://www.boost.org for updates, documentation, and revision history.

//-----------------------------------------------------------------------------

//

// Copyright (c) 2003

// Eric Friedman, Itay Maman

//

// Distributed under the Boost Software License, Version 1.0. (See

// accompanying file LICENSE_1_0.txt or copy at

// http://www.boost.org/LICENSE_1_0.txt)

#ifndef _CLASSA_H_INC_

#define _CLASSA_H_INC_

#include <algorithm> // for std::swap

#include <sstream>

#include <iostream>

#include <assert.h>

#include <iosfwd>

struct class_a

{

   ~class_a();

   class_a(int n = 5511);

   class_a(const class_a& other);

   class_a& operator=(const class_a& rhs);

   void swap(class_a& other);

   int get() const;

private:

   int n_;

   class_a* self_p_;

}; //Class_a

std::ostream& operator<<(std::ostream& strm, const class_a& a);

using namespace std;

class_a::~class_a()

{

   assert(self_p_ == this);

}

class_a::class_a(int n)

{

   n_ = n;

   self_p_ = this;

}

class_a::class_a(const class_a& other)

{

   n_ = other.n_;

   self_p_ = this;

}

class_a& class_a::operator=(const class_a& rhs)

{

   class_a temp(rhs);

   swap(temp);

   return *this;

}

void class_a::swap(class_a& other)

{

   std::swap(n_, other.n_);

}

int class_a::get() const

{

   return n_;

}

std::ostream& operator<<(std::ostream& strm, const class_a& a)

{

   return strm << "class_a(" << a.get() << ")";

}

#endif //_CLASSA_H_INC_