1// -- core.hpp -- Boost Lambda Library -------------------------------------
2//
3// Copyright (C) 2000 Gary Powell (powellg@amazon.com)
4// Copyright (C) 1999, 2000 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi)
5//
6// Distributed under the Boost Software License, Version 1.0. (See
7// accompanying file LICENSE_1_0.txt or copy at
8// http://www.boost.org/LICENSE_1_0.txt)
9//
10// For more information, see www.boost.org
11//
12// Includes the core of LL, without any real features for client:
13//
14// tuples, lambda functors, return type deduction templates,
15// argument substitution mechanism (select functions)
16//
17// Some functionality comes as well:
18// Assignment and subscript operators, as well as function
19// call operator for placeholder variables.
20// -------------------------------------------------------------------------
21
22#ifndef BOOST_LAMBDA_CORE_HPP
23#define BOOST_LAMBDA_CORE_HPP
24
25#include "boost/config.hpp"
26
27#include "boost/type_traits/transform_traits.hpp"
28#include "boost/type_traits/cv_traits.hpp"
29
30#include "boost/tuple/tuple.hpp"
31
32// inject some of the tuple names into lambda
33namespace boost {
34namespace lambda {
35
36using ::boost::tuples::tuple;
37using ::boost::tuples::null_type;
38
39} // lambda
40} // boost
41
42#include "boost/lambda/detail/lambda_config.hpp"
43#include "boost/lambda/detail/lambda_fwd.hpp"
44
45#include "boost/lambda/detail/arity_code.hpp"
46#include "boost/lambda/detail/actions.hpp"
47
48#include "boost/lambda/detail/lambda_traits.hpp"
49
50#include "boost/lambda/detail/function_adaptors.hpp"
51#include "boost/lambda/detail/return_type_traits.hpp"
52
53#include "boost/lambda/detail/select_functions.hpp"
54
55#include "boost/lambda/detail/lambda_functor_base.hpp"
56
57#include "boost/lambda/detail/lambda_functors.hpp"
58
59#include "boost/lambda/detail/ret.hpp"
60
61namespace boost {
62namespace lambda {
63
64namespace {
65
66 // These are constants types and need to be initialised
67 boost::lambda::placeholder1_type free1 = boost::lambda::placeholder1_type();
68 boost::lambda::placeholder2_type free2 = boost::lambda::placeholder2_type();
69 boost::lambda::placeholder3_type free3 = boost::lambda::placeholder3_type();
70
71 boost::lambda::placeholder1_type& BOOST_ATTRIBUTE_UNUSED _1 = free1;
72 boost::lambda::placeholder2_type& BOOST_ATTRIBUTE_UNUSED _2 = free2;
73 boost::lambda::placeholder3_type& BOOST_ATTRIBUTE_UNUSED _3 = free3;
74 // _1, _2, ... naming scheme by Peter Dimov
75} // unnamed
76
77} // lambda
78} // boost
79
80
81#endif //BOOST_LAMBDA_CORE_HPP
82

source code of boost/libs/lambda/include/boost/lambda/core.hpp