1 | // lambda_fwd.hpp - Boost Lambda Library ------------------------------- |
2 | |
3 | // Copyright (C) 1999, 2000 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi) |
4 | // |
5 | // Distributed under the Boost Software License, Version 1.0. (See |
6 | // accompanying file LICENSE_1_0.txt or copy at |
7 | // http://www.boost.org/LICENSE_1_0.txt) |
8 | // |
9 | // For more information, see www.boost.org |
10 | |
11 | // ------------------------------------------------------- |
12 | |
13 | #ifndef BOOST_LAMBDA_FWD_HPP |
14 | #define BOOST_LAMBDA_FWD_HPP |
15 | |
16 | namespace boost { |
17 | namespace lambda { |
18 | |
19 | namespace detail { |
20 | |
21 | template<class T> struct generate_error; |
22 | |
23 | } |
24 | // -- placeholders -------------------------------------------- |
25 | |
26 | template <int I> struct placeholder; |
27 | |
28 | // function_adaptors |
29 | template <class Func> |
30 | struct function_adaptor; |
31 | |
32 | template <int I, class Act> class action; |
33 | |
34 | template <class Base> |
35 | class lambda_functor; |
36 | |
37 | template <class Act, class Args> |
38 | class lambda_functor_base; |
39 | |
40 | } // namespace lambda |
41 | } // namespace boost |
42 | |
43 | |
44 | // #define CALL_TEMPLATE_ARGS class A, class Env |
45 | // #define CALL_FORMAL_ARGS A& a, Env& env |
46 | // #define CALL_ACTUAL_ARGS a, env |
47 | // #define CALL_ACTUAL_ARGS_NO_ENV a |
48 | // #define CALL_REFERENCE_TYPES A&, Env& |
49 | // #define CALL_PLAIN_TYPES A, Env |
50 | #define CALL_TEMPLATE_ARGS class A, class B, class C, class Env |
51 | #define CALL_FORMAL_ARGS A& a, B& b, C& c, Env& env |
52 | #define CALL_ACTUAL_ARGS a, b, c, env |
53 | #define CALL_ACTUAL_ARGS_NO_ENV a, b, c |
54 | #define CALL_REFERENCE_TYPES A&, B&, C&, Env& |
55 | #define CALL_PLAIN_TYPES A, B, C, Env |
56 | |
57 | namespace boost { |
58 | namespace lambda { |
59 | namespace detail { |
60 | |
61 | template<class A1, class A2, class A3, class A4> |
62 | void do_nothing(A1&, A2&, A3&, A4&) {} |
63 | |
64 | } // detail |
65 | } // lambda |
66 | } // boost |
67 | |
68 | // prevent the warnings from unused arguments |
69 | #define CALL_USE_ARGS \ |
70 | ::boost::lambda::detail::do_nothing(a, b, c, env) |
71 | |
72 | |
73 | |
74 | #endif |
75 | |