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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 | }} |