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- // Copyright Aleksey Gurtovoy 2000-2004
- // Copyright Jaap Suter 2003
- //
- // Distributed under the Boost Software License, Version 1.0.
- // (See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- //
- // Preprocessed version of "boost/mpl/shift_left.hpp" header
- // -- DO NOT modify by hand!
- namespace boost { namespace mpl {
- template<
- typename Tag1
- , typename Tag2
- >
- struct shift_left_impl
- : if_c<
- ( BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag1)
- > BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag2)
- )
- , aux::cast2nd_impl< shift_left_impl< Tag1,Tag1 >,Tag1, Tag2 >
- , aux::cast1st_impl< shift_left_impl< Tag2,Tag2 >,Tag1, Tag2 >
- >::type
- {
- };
- /// for Digital Mars C++/compilers with no CTPS/TTP support
- template<> struct shift_left_impl< na,na >
- {
- template< typename U1, typename U2 > struct apply
- {
- typedef apply type;
- BOOST_STATIC_CONSTANT(int, value = 0);
- };
- };
- template< typename Tag > struct shift_left_impl< na,Tag >
- {
- template< typename U1, typename U2 > struct apply
- {
- typedef apply type;
- BOOST_STATIC_CONSTANT(int, value = 0);
- };
- };
- template< typename Tag > struct shift_left_impl< Tag,na >
- {
- template< typename U1, typename U2 > struct apply
- {
- typedef apply type;
- BOOST_STATIC_CONSTANT(int, value = 0);
- };
- };
- template< typename T > struct shift_left_tag
- {
- typedef typename T::tag type;
- };
- template<
- typename BOOST_MPL_AUX_NA_PARAM(N1)
- , typename BOOST_MPL_AUX_NA_PARAM(N2)
- >
- struct shift_left
- : shift_left_impl<
- typename shift_left_tag<N1>::type
- , typename shift_left_tag<N2>::type
- >::template apply< N1,N2 >::type
- {
- BOOST_MPL_AUX_LAMBDA_SUPPORT(2, shift_left, (N1, N2))
- };
- BOOST_MPL_AUX_NA_SPEC2(2, 2, shift_left)
- }}
- namespace boost { namespace mpl {
- template<>
- struct shift_left_impl< integral_c_tag,integral_c_tag >
- {
- template< typename N, typename S > struct apply
- : integral_c<
- typename N::value_type
- , ( BOOST_MPL_AUX_VALUE_WKND(N)::value
- << BOOST_MPL_AUX_VALUE_WKND(S)::value
- )
- >
- {
- };
- };
- }}
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