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
13namespace boost { namespace mpl {
14
15template<
16 typename Tag1
17 , typename Tag2
18 >
19struct 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
32template<> 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
41template< 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
50template< 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
59template< typename T > struct shift_left_tag
60{
61 typedef typename T::tag type;
62};
63
64template<
65 typename BOOST_MPL_AUX_NA_PARAM(N1)
66 , typename BOOST_MPL_AUX_NA_PARAM(N2)
67 >
68struct 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
79BOOST_MPL_AUX_NA_SPEC2(2, 2, shift_left)
80
81}}
82
83namespace boost { namespace mpl {
84template<>
85struct 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

source code of boost/boost/mpl/aux_/preprocessed/gcc/shift_left.hpp