//  lambda_fwd.hpp - Boost Lambda Library -------------------------------



// Copyright (C) 1999, 2000 Jaakko Järvi (jaakko.jarvi@cs.utu.fi)

//

// 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)

//

// For more information, see www.boost.org



// -------------------------------------------------------



#ifndef BOOST_LAMBDA_FWD_HPP

#define BOOST_LAMBDA_FWD_HPP



namespace boost { 

namespace lambda { 



namespace detail {



template<class T> struct generate_error;



}   

// -- placeholders --------------------------------------------



template <int I> struct placeholder;



// function_adaptors

template <class Func> 

struct function_adaptor;



template <int I, class Act> class action;



template <class Base> 

class lambda_functor;



template <class Act, class Args> 

class lambda_functor_base;



} // namespace lambda

} // namespace boost





//  #define CALL_TEMPLATE_ARGS class A, class Env

//  #define CALL_FORMAL_ARGS A& a, Env& env

//  #define CALL_ACTUAL_ARGS a, env

//  #define CALL_ACTUAL_ARGS_NO_ENV a

//  #define CALL_REFERENCE_TYPES A&, Env&

//  #define CALL_PLAIN_TYPES A, Env

#define CALL_TEMPLATE_ARGS class A, class B, class C, class Env

#define CALL_FORMAL_ARGS A& a, B& b, C& c, Env& env

#define CALL_ACTUAL_ARGS a, b, c, env

#define CALL_ACTUAL_ARGS_NO_ENV a, b, c

#define CALL_REFERENCE_TYPES A&, B&, C&, Env&

#define CALL_PLAIN_TYPES A, B, C, Env



namespace boost {

namespace lambda {

namespace detail {



template<class A1, class A2, class A3, class A4>

void do_nothing(A1&, A2&, A3&, A4&) {}



} // detail

} // lambda

} // boost



// prevent the warnings from unused arguments

#define CALL_USE_ARGS \

::boost::lambda::detail::do_nothing(a, b, c, env)







#endif

