1 

     2 #ifndef BOOST_MPL_AUX_ARITY_HPP_INCLUDED

     3 #define BOOST_MPL_AUX_ARITY_HPP_INCLUDED

     4 

     5 // Copyright Aleksey Gurtovoy 2001-2004

     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_/arity.hpp,v $

    14 // $Date: 2004/09/02 15:40:43 $

    15 // $Revision: 1.6 $

    16 

    17 #include <boost/mpl/aux_/config/dtp.hpp>

    18 

    19 #if defined(BOOST_MPL_CFG_BROKEN_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES)

    20 

    21 #   include <boost/mpl/aux_/nttp_decl.hpp>

    22 #   include <boost/mpl/aux_/config/static_constant.hpp>

    23 

    24 namespace boost { namespace mpl { namespace aux {

    25 

    26 // agurt, 15/mar/02: it's possible to implement the template so that it will 

    27 // "just work" and do not require any specialization, but not on the compilers

    28 // that require the arity workaround in the first place

    29 template< typename F, BOOST_MPL_AUX_NTTP_DECL(int, N) >

    30 struct arity

    31 {

    32     BOOST_STATIC_CONSTANT(int, value = N);

    33 };

    34 

    35 }}}

    36 

    37 #endif // BOOST_MPL_CFG_BROKEN_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES

    38 

    39 #endif // BOOST_MPL_AUX_ARITY_HPP_INCLUDED