epoc32/include/stdapis/boost/mpl/vector/aux_/empty.hpp
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:33:34 +0100
branchSymbian3
changeset 4 837f303aceeb
permissions -rw-r--r--
Current Symbian^3 public API header files (from PDK 3.0.h)
This is the epoc32/include tree with the "platform" subtrees removed, and
all but a selected few mbg and rsg files removed.
     1 
     2 #ifndef BOOST_MPL_VECTOR_AUX_EMPTY_HPP_INCLUDED
     3 #define BOOST_MPL_VECTOR_AUX_EMPTY_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/vector/aux_/empty.hpp,v $
    14 // $Date: 2004/09/02 15:41:19 $
    15 // $Revision: 1.5 $
    16 
    17 #include <boost/mpl/empty_fwd.hpp>
    18 #include <boost/mpl/bool.hpp>
    19 #include <boost/mpl/vector/aux_/tag.hpp>
    20 #include <boost/mpl/aux_/config/typeof.hpp>
    21 #include <boost/mpl/aux_/config/ctps.hpp>
    22 #include <boost/type_traits/is_same.hpp>
    23 
    24 namespace boost { namespace mpl {
    25 
    26 #if defined(BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES)
    27 
    28 template<>
    29 struct empty_impl< aux::vector_tag >
    30 {
    31     template< typename Vector > struct apply
    32         : is_same<
    33               typename Vector::lower_bound_
    34             , typename Vector::upper_bound_
    35             >
    36     {
    37     };
    38 };
    39 
    40 #else
    41 
    42 template<>
    43 struct empty_impl< aux::vector_tag<0> >
    44 {
    45     template< typename Vector > struct apply
    46         : true_
    47     {
    48     };
    49 };
    50 
    51 #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
    52 
    53 template< long N >
    54 struct empty_impl< aux::vector_tag<N> >
    55 {
    56     template< typename Vector > struct apply
    57         : false_
    58     {
    59     };
    60 };
    61 
    62 #endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
    63 
    64 #endif // BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES
    65 
    66 }}
    67 
    68 #endif // BOOST_MPL_VECTOR_AUX_EMPTY_HPP_INCLUDED