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 2005. Distributed under the Boost
2// 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#ifndef BOOST_PARAMETER_BINDING_DWA200558_HPP
5# define BOOST_PARAMETER_BINDING_DWA200558_HPP
6
7# include <boost/mpl/apply.hpp>
8# include <boost/mpl/assert.hpp>
9# include <boost/mpl/and.hpp>
10# include <boost/parameter/aux_/result_of0.hpp>
11# include <boost/parameter/aux_/void.hpp>
12# include <boost/type_traits/is_same.hpp>
13
14# if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
15# include <boost/mpl/eval_if.hpp>
16# endif
17
18namespace boost { namespace parameter {
19
20// A metafunction that, given an argument pack, returns the type of
21// the parameter identified by the given keyword. If no such
22// parameter has been specified, returns Default
23
24# if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) \
25 || BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
26template <class Parameters, class Keyword, class Default>
27struct binding0
28{
29 typedef typename mpl::apply_wrap3<
30 typename Parameters::binding,Keyword,Default,mpl::true_
31 >::type type;
32
33 BOOST_MPL_ASSERT_NOT((
34 mpl::and_<
35 is_same<Default, void_>
36 , is_same<type, void_>
37 >
38 ));
39};
40# endif
41
42template <class Parameters, class Keyword, class Default = void_>
43# if !BOOST_WORKAROUND(BOOST_MSVC, < 1300)
44struct binding
45# else
46struct binding_eti
47# endif
48{
49# if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) \
50 || BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
51 typedef typename mpl::eval_if<
52 mpl::is_placeholder<Parameters>
53 , mpl::identity<int>
54 , binding0<Parameters,Keyword,Default>
55 >::type type;
56# else
57 typedef typename mpl::apply_wrap3<
58 typename Parameters::binding,Keyword,Default,mpl::true_
59 >::type type;
60
61 BOOST_MPL_ASSERT_NOT((
62 mpl::and_<
63 is_same<Default, void_>
64 , is_same<type, void_>
65 >
66 ));
67# endif
68
69# if !BOOST_WORKAROUND(BOOST_MSVC, < 1300)
70 BOOST_MPL_AUX_LAMBDA_SUPPORT(3,binding,(Parameters,Keyword,Default))
71# endif
72};
73
74# if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
75template <class Parameters, class Keyword, class Default = void_>
76struct binding
77{
78 typedef typename mpl::eval_if<
79 is_same<Parameters, int>
80 , mpl::identity<int>
81 , binding_eti<Parameters, Keyword, Default>
82 >::type type;
83
84 BOOST_MPL_AUX_LAMBDA_SUPPORT(3,binding,(Parameters,Keyword,Default))
85};
86# endif
87
88// A metafunction that, given an argument pack, returns the type of
89// the parameter identified by the given keyword. If no such
90// parameter has been specified, returns the type returned by invoking
91// DefaultFn
92template <class Parameters, class Keyword, class DefaultFn>
93struct lazy_binding
94{
95 typedef typename mpl::apply_wrap3<
96 typename Parameters::binding
97 , Keyword
98 , typename aux::result_of0<DefaultFn>::type
99 , mpl::true_
100 >::type type;
101};
102
103
104}} // namespace boost::parameter
105
106#endif // BOOST_PARAMETER_BINDING_DWA200558_HPP