epoc32/include/stdapis/boost/mpl/aux_/front_impl.hpp
branchSymbian2
changeset 2 2fe1408b6811
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/epoc32/include/stdapis/boost/mpl/aux_/front_impl.hpp	Tue Mar 16 16:12:26 2010 +0000
     1.3 @@ -0,0 +1,41 @@
     1.4 +
     1.5 +#ifndef BOOST_MPL_AUX_FRONT_IMPL_HPP_INCLUDED
     1.6 +#define BOOST_MPL_AUX_FRONT_IMPL_HPP_INCLUDED
     1.7 +
     1.8 +// Copyright Aleksey Gurtovoy 2000-2004
     1.9 +//
    1.10 +// Distributed under the Boost Software License, Version 1.0. 
    1.11 +// (See accompanying file LICENSE_1_0.txt or copy at 
    1.12 +// http://www.boost.org/LICENSE_1_0.txt)
    1.13 +//
    1.14 +// See http://www.boost.org/libs/mpl for documentation.
    1.15 +
    1.16 +// $Source: /cvsroot/boost/boost/boost/mpl/aux_/front_impl.hpp,v $
    1.17 +// $Date: 2004/09/02 15:40:43 $
    1.18 +// $Revision: 1.4 $
    1.19 +
    1.20 +#include <boost/mpl/front_fwd.hpp>
    1.21 +#include <boost/mpl/begin_end.hpp>
    1.22 +#include <boost/mpl/deref.hpp>
    1.23 +#include <boost/mpl/aux_/traits_lambda_spec.hpp>
    1.24 +
    1.25 +namespace boost { namespace mpl {
    1.26 +
    1.27 +// default implementation; conrete sequences might override it by 
    1.28 +// specializing either the 'front_impl' or the primary 'front' template
    1.29 +
    1.30 +template< typename Tag >
    1.31 +struct front_impl
    1.32 +{
    1.33 +    template< typename Sequence > struct apply
    1.34 +    {
    1.35 +        typedef typename begin<Sequence>::type iter_;
    1.36 +        typedef typename deref<iter_>::type type;
    1.37 +    };
    1.38 +};
    1.39 +
    1.40 +BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(1,front_impl)
    1.41 +
    1.42 +}}
    1.43 +
    1.44 +#endif // BOOST_MPL_AUX_FRONT_IMPL_HPP_INCLUDED