text: 
  // Copyright (C) 2009-2012 Lorenzo Caminiti
  // Distributed under the Boost Software License, Version 1.0
  // (see accompanying file LICENSE_1_0.txt or a copy at
  // http://www.boost.org/LICENSE_1_0.txt)
  // Home at http://www.boost.org/libs/local_function
  
  #include <boost/local_function.hpp>
  #include <boost/function.hpp>
  #include <boost/detail/lightweight_test.hpp>
  #include <iostream>
  
  void call1(boost::function<int (int) > f) { BOOST_TEST(f(1) == 5); }
  void call0(boost::function<int (void)> f) { BOOST_TEST(f() == 5); }
  
  boost::function<int (int, int)> linear(const int& slope) {
      int BOOST_LOCAL_FUNCTION( (const bind& slope)
              (int x)(default 1) (int y)(default 2) ) {
          return x + slope * y;
      } BOOST_LOCAL_FUNCTION_NAME(lin)
  
      boost::function<int (int, int)> f = lin;
      BOOST_TEST(f(1, 2) == 5);
  
      call1(lin);
      call0(lin);
  
      return lin;
  }
  
  void call(void) {
      boost::function<int (int, int)> f = linear(2);
      BOOST_TEST(f(1, 2) == 5);
  }
  
  int main(void) {
      call();
      return boost::report_errors();
  }
  