1 // Copyright Daniel Wallin 2006. Use, modification and distribution is
2 // subject to the Boost Software License, Version 1.0. (See accompanying
3 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
4 
5 #ifndef BOOST_PARAMETER_SET_060912_HPP
6 # define BOOST_PARAMETER_SET_060912_HPP
7 
8 # include <boost/detail/workaround.hpp>
9 
10 # if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
11 #  include <boost/mpl/insert.hpp>
12 #  include <boost/mpl/set/set0.hpp>
13 #  include <boost/mpl/has_key.hpp>
14 
15 namespace boost { namespace parameter { namespace aux {
16 
17 typedef mpl::set0<> set0;
18 
19 template <class Set, class K>
20 struct insert_
21 {
22     typedef typename mpl::insert<Set, K>::type type;
23 };
24 
25 template <class Set, class K>
26 struct has_key_
27 {
28     typedef typename mpl::has_key<Set, K>::type type;
29 };
30 
31 }}} // namespace boost::parameter::aux
32 
33 # else
34 
35 #  include <boost/mpl/list.hpp>
36 #  include <boost/mpl/end.hpp>
37 #  include <boost/mpl/find.hpp>
38 #  include <boost/mpl/not.hpp>
39 #  include <boost/mpl/push_front.hpp>
40 
41 namespace boost { namespace parameter { namespace aux {
42 
43 typedef mpl::list0<> set0;
44 
45 template <class Set, class K>
46 struct insert_
47 {
48     typedef typename mpl::push_front<Set, K>::type type;
49 };
50 
51 template <class Set, class K>
52 struct has_key_
53 {
54     typedef typename mpl::find<Set, K>::type iter;
55     typedef mpl::not_<
56         is_same<iter, typename mpl::end<Set>::type>
57     > type;
58 };
59 
60 }}} // namespace boost::parameter::aux
61 
62 # endif
63 
64 
65 #endif // BOOST_PARAMETER_SET_060912_HPP
66 
67