/*

    Copyright David Abrahams 2003-2004
    Copyright Aleksey Gurtovoy 2003-2004

    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)
            
    This file was automatically extracted from the source of 
    "C++ Template Metaprogramming", by David Abrahams and 
    Aleksey Gurtovoy.

    It was built successfully with GCC 3.4.2 on Windows using
    the following command: 

        g++ -I..\..\boost_1_32_0 -c -o%TEMP%\metaprogram-appendixA-example13.o example13.cpp
        

*/

#include <boost/mpl/placeholders.hpp>
#include <boost/mpl/assert.hpp>
#include <boost/static_assert.hpp>
namespace mpl = boost::mpl;
using namespace mpl::placeholders;

struct none {};

template <class Signature> struct function;   // primary template

template <class R>                                   // arity = 0
struct function<R()>;
  /* definition not shown... */

template <class R, class A0>                         // arity = 1
struct function<R(A0)>;
  /* definition not shown... */

template <class R, class A0, class A1>               // arity = 2
struct function<R(A0,A1)>;
  /* definition not shown... */

template <class R, class A0, class A1, class A2>     // arity = 3
struct function<R(A0,A1,A2)>;
  /* definition not shown... */

/* etc. */
