1 | |
2 | // Copyright Aleksey Gurtovoy 2000-2004 |
3 | // Copyright Jaap Suter 2003 |
4 | // |
5 | // Distributed under the Boost Software License, Version 1.0. |
6 | // (See accompanying file LICENSE_1_0.txt or copy at |
7 | // http://www.boost.org/LICENSE_1_0.txt) |
8 | // |
9 | |
10 | // Preprocessed version of "boost/mpl/shift_left.hpp" header |
11 | // -- DO NOT modify by hand! |
12 | |
13 | namespace boost { namespace mpl { |
14 | |
15 | template< |
16 | typename Tag1 |
17 | , typename Tag2 |
18 | > |
19 | struct shift_left_impl |
20 | : if_c< |
21 | ( BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag1) |
22 | > BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag2) |
23 | ) |
24 | |
25 | , aux::cast2nd_impl< shift_left_impl< Tag1,Tag1 >,Tag1, Tag2 > |
26 | , aux::cast1st_impl< shift_left_impl< Tag2,Tag2 >,Tag1, Tag2 > |
27 | >::type |
28 | { |
29 | }; |
30 | |
31 | /// for Digital Mars C++/compilers with no CTPS/TTP support |
32 | template<> struct shift_left_impl< na,na > |
33 | { |
34 | template< typename U1, typename U2 > struct apply |
35 | { |
36 | typedef apply type; |
37 | BOOST_STATIC_CONSTANT(int, value = 0); |
38 | }; |
39 | }; |
40 | |
41 | template< typename Tag > struct shift_left_impl< na,Tag > |
42 | { |
43 | template< typename U1, typename U2 > struct apply |
44 | { |
45 | typedef apply type; |
46 | BOOST_STATIC_CONSTANT(int, value = 0); |
47 | }; |
48 | }; |
49 | |
50 | template< typename Tag > struct shift_left_impl< Tag,na > |
51 | { |
52 | template< typename U1, typename U2 > struct apply |
53 | { |
54 | typedef apply type; |
55 | BOOST_STATIC_CONSTANT(int, value = 0); |
56 | }; |
57 | }; |
58 | |
59 | template< typename T > struct shift_left_tag |
60 | { |
61 | typedef typename T::tag type; |
62 | }; |
63 | |
64 | template< |
65 | typename BOOST_MPL_AUX_NA_PARAM(N1) |
66 | , typename BOOST_MPL_AUX_NA_PARAM(N2) |
67 | > |
68 | struct shift_left |
69 | |
70 | : shift_left_impl< |
71 | typename shift_left_tag<N1>::type |
72 | , typename shift_left_tag<N2>::type |
73 | >::template apply< N1,N2 >::type |
74 | { |
75 | BOOST_MPL_AUX_LAMBDA_SUPPORT(2, shift_left, (N1, N2)) |
76 | |
77 | }; |
78 | |
79 | BOOST_MPL_AUX_NA_SPEC2(2, 2, shift_left) |
80 | |
81 | }} |
82 | |
83 | namespace boost { namespace mpl { |
84 | template<> |
85 | struct shift_left_impl< integral_c_tag,integral_c_tag > |
86 | { |
87 | template< typename N, typename S > struct apply |
88 | |
89 | : integral_c< |
90 | typename N::value_type |
91 | , ( BOOST_MPL_AUX_VALUE_WKND(N)::value |
92 | << BOOST_MPL_AUX_VALUE_WKND(S)::value |
93 | ) |
94 | > |
95 | { |
96 | }; |
97 | }; |
98 | |
99 | }} |
100 | |