epoc32/include/stdapis/boost/mpl/aux_/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
     1 
     2 #ifndef BOOST_MPL_AUX_FRONT_IMPL_HPP_INCLUDED
     3 #define BOOST_MPL_AUX_FRONT_IMPL_HPP_INCLUDED
     4 
     5 // Copyright Aleksey Gurtovoy 2000-2004
     6 //
     7 // Distributed under the Boost Software License, Version 1.0. 
     8 // (See accompanying file LICENSE_1_0.txt or copy at 
     9 // http://www.boost.org/LICENSE_1_0.txt)
    10 //
    11 // See http://www.boost.org/libs/mpl for documentation.
    12 
    13 // $Source: /cvsroot/boost/boost/boost/mpl/aux_/front_impl.hpp,v $
    14 // $Date: 2004/09/02 15:40:43 $
    15 // $Revision: 1.4 $
    16 
    17 #include <boost/mpl/front_fwd.hpp>
    18 #include <boost/mpl/begin_end.hpp>
    19 #include <boost/mpl/deref.hpp>
    20 #include <boost/mpl/aux_/traits_lambda_spec.hpp>
    21 
    22 namespace boost { namespace mpl {
    23 
    24 // default implementation; conrete sequences might override it by 
    25 // specializing either the 'front_impl' or the primary 'front' template
    26 
    27 template< typename Tag >
    28 struct front_impl
    29 {
    30     template< typename Sequence > struct apply
    31     {
    32         typedef typename begin<Sequence>::type iter_;
    33         typedef typename deref<iter_>::type type;
    34     };
    35 };
    36 
    37 BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(1,front_impl)
    38 
    39 }}
    40 
    41 #endif // BOOST_MPL_AUX_FRONT_IMPL_HPP_INCLUDED