// (C) Copyright Jeremy Siek 2001-2004.

// 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)

// Revision History:

// 27 Feb 2001 Jeremy Siek

// Initial checkin.

#include <iostream>

#include <string>

#include <vector>

#include <boost/iterator/function_output_iterator.hpp>

struct string_appender

{

string_appender(std::string& s)

: m_str(&s)

{}

void operator()(const std::string& x) const

{

*m_str += x;

}

std::string* m_str;

};

int main(int, char*[])

{

std::vector<std::string> x;

x.push_back("hello");

x.push_back(" ");

x.push_back("world");

x.push_back("!");

std::string s = "";

std::copy(x.begin(), x.end(),

boost::make_function_output_iterator(string_appender(s)));

std::cout << s << std::endl;

return 0;

}