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