blob: c8df29ce75c78147f5424b994827d7b5f1896d17 [file] [log] [blame]
// 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 "ndnboost/mpl/shift_left.hpp" header
// -- DO NOT modify by hand!
namespace ndnboost { 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 ndnboost { 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
)
>
{
};
};
}}