epoc32/include/stdapis/boost/mpl/aux_/push_front_impl.hpp
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:27:01 +0100
branchSymbian2
changeset 3 e1b950c65cb4
permissions -rw-r--r--
Attempt to represent the S^2->S^3 header reorganisation as a series of "hg rename" operations
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#ifndef BOOST_MPL_AUX_PUSH_FRONT_IMPL_HPP_INCLUDED
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#define BOOST_MPL_AUX_PUSH_FRONT_IMPL_HPP_INCLUDED
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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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// See http://www.boost.org/libs/mpl for documentation.
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// $Source: /cvsroot/boost/boost/boost/mpl/aux_/push_front_impl.hpp,v $
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// $Date: 2004/09/02 15:40:44 $
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// $Revision: 1.4 $
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#include <boost/mpl/push_front_fwd.hpp>
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#include <boost/mpl/aux_/has_type.hpp>
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#include <boost/mpl/aux_/traits_lambda_spec.hpp>
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#include <boost/mpl/aux_/config/forwarding.hpp>
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#include <boost/mpl/aux_/config/static_constant.hpp>
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namespace boost { namespace mpl {
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// agurt 05/feb/04: no default implementation; the stub definition is needed 
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// to enable the default 'has_push_front' implementation below
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template< typename Tag >
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struct push_front_impl
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{
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    template< typename Sequence, typename T > struct apply {};
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};
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template< typename Tag >
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struct has_push_front_impl
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{
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    template< typename Seq > struct apply
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#if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING)
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        : aux::has_type< push_front<Seq,int> >
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    {
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#else
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    {
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        typedef aux::has_type< push_front<Seq,int> > type;
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        BOOST_STATIC_CONSTANT(bool, value = 
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              (aux::has_type< push_front<Seq,int> >::value)
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            );
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#endif
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    };
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};
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BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(2, push_front_impl)
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BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(1, has_push_front_impl)
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}}
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#endif // BOOST_MPL_AUX_PUSH_FRONT_IMPL_HPP_INCLUDED