boost_1_45_0/libs/python/example/getting_started1.cpp

// Copyright Ralf W. Grosse-Kunstleve 2002-2004. 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)

#include <boost/python/module.hpp>
#include <boost/python/def.hpp>
#include <string>

namespace { // Avoid cluttering the global namespace.

  // A couple of simple C++ functions that we want to expose to Python.
  std::string greet() { return "hello, world"; }
  int square(int number) { return number * number; }
}

namespace python = boost::python;

// Python requires an exported function called init<module-name> in every
// extension module. This is where we build the module contents.
BOOST_PYTHON_MODULE(getting_started1)
{
    // Add regular functions to the module.
    python::def("greet", greet);
    python::def("square", square);
}