libs/property_map/example/example3.cpp
// Copyright Vladimir Prus 2003.
// 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)
#include <boost/property_map/vector_property_map.hpp>
#include <string>
#include <iostream>
int main()
{
boost::vector_property_map<std::string> m;
// Assign string to '4'.
m[4] = "e";
std::cout << "'" << m[4] << "'\n";
// Grab string from '10'. Since none is associated,
// "" will be returned.
std::cout << "'" << m[10] << "'\n";
}