ocrm.bsky.social
the game where you go into mines and start crafting! but for consoles (forked directly from smartcmd's github)
1// Copyright David Abrahams 2002.
2// Distributed under the Boost Software License, Version 1.0. (See
3// accompanying file LICENSE_1_0.txt or copy at
4// http://www.boost.org/LICENSE_1_0.txt)
5#ifndef BASES_DWA2002321_HPP
6# define BASES_DWA2002321_HPP
7
8# include <boost/python/detail/prefix.hpp>
9# include <boost/type_traits/object_traits.hpp>
10# include <boost/python/detail/type_list.hpp>
11# include <boost/mpl/if.hpp>
12# include <boost/mpl/bool.hpp>
13# include <boost/preprocessor/enum_params_with_a_default.hpp>
14# include <boost/preprocessor/enum_params.hpp>
15
16namespace boost { namespace python {
17
18# define BOOST_PYTHON_BASE_PARAMS BOOST_PP_ENUM_PARAMS_Z(1, BOOST_PYTHON_MAX_BASES, Base)
19
20 // A type list for specifying bases
21 template < BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(BOOST_PYTHON_MAX_BASES, typename Base, mpl::void_) >
22 struct bases : detail::type_list< BOOST_PYTHON_BASE_PARAMS >::type
23 {};
24
25 namespace detail
26 {
27# ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
28 template <class T> struct specifies_bases
29 : mpl::false_
30 {
31 };
32
33 template < BOOST_PP_ENUM_PARAMS_Z(1, BOOST_PYTHON_MAX_BASES, class Base) >
34 struct specifies_bases< bases< BOOST_PYTHON_BASE_PARAMS > >
35 : mpl::true_
36 {
37 };
38# else
39 template < BOOST_PP_ENUM_PARAMS(BOOST_PYTHON_MAX_BASES, class Base) >
40 static char is_bases_helper(bases< BOOST_PYTHON_BASE_PARAMS > const&);
41
42 static char (& is_bases_helper(...) )[256];
43
44 template <class T>
45 struct specifies_bases
46 {
47 private:
48 static typename add_reference<T>::type make();
49 BOOST_STATIC_CONSTANT(bool, non_ref = !is_reference<T>::value);
50 public:
51 BOOST_STATIC_CONSTANT(bool, value = non_ref & (sizeof(is_bases_helper(make())) == 1));
52 typedef mpl::bool_<value> type;
53 };
54# endif
55 template <class T, class Prev = bases<> >
56 struct select_bases
57 : mpl::if_<
58 specifies_bases<T>
59 , T
60 , Prev
61 >
62 {
63 };
64 }
65# undef BOOST_PYTHON_BASE_PARAMS
66}} // namespace boost::python
67
68#endif // BASES_DWA2002321_HPP