diff options
Diffstat (limited to '3rdParty/Boost/src/boost/mpl/aux_/O1_size_impl.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/mpl/aux_/O1_size_impl.hpp | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/mpl/aux_/O1_size_impl.hpp b/3rdParty/Boost/src/boost/mpl/aux_/O1_size_impl.hpp new file mode 100644 index 0000000..df408f0 --- /dev/null +++ b/3rdParty/Boost/src/boost/mpl/aux_/O1_size_impl.hpp @@ -0,0 +1,87 @@ + +#ifndef BOOST_MPL_O1_SIZE_IMPL_HPP_INCLUDED +#define BOOST_MPL_O1_SIZE_IMPL_HPP_INCLUDED + +// Copyright Aleksey Gurtovoy 2000-2004 +// +// Distributed under the Boost Software License, Version 1.0. +// (See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) +// +// See http://www.boost.org/libs/mpl for documentation. + +// $Id: O1_size_impl.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ +// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ +// $Revision: 49267 $ + +#include <boost/mpl/O1_size_fwd.hpp> +#include <boost/mpl/long.hpp> +#include <boost/mpl/if.hpp> +#include <boost/mpl/aux_/has_size.hpp> +#include <boost/mpl/aux_/config/forwarding.hpp> +#include <boost/mpl/aux_/config/static_constant.hpp> +#include <boost/mpl/aux_/config/msvc.hpp> +#include <boost/mpl/aux_/config/workaround.hpp> + +namespace boost { namespace mpl { + +// default implementation - returns 'Sequence::size' if sequence has a 'size' +// member, and -1 otherwise; conrete sequences might override it by +// specializing either the 'O1_size_impl' or the primary 'O1_size' template + +# if !BOOST_WORKAROUND(BOOST_MSVC, < 1300) \ + && !BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3003)) + +namespace aux { +template< typename Sequence > struct O1_size_impl + : Sequence::size +{ +}; +} + +template< typename Tag > +struct O1_size_impl +{ + template< typename Sequence > struct apply +#if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING) + : if_< + aux::has_size<Sequence> + , aux::O1_size_impl<Sequence> + , long_<-1> + >::type + { +#else + { + typedef typename if_< + aux::has_size<Sequence> + , aux::O1_size_impl<Sequence> + , long_<-1> + >::type type; + + BOOST_STATIC_CONSTANT(long, value = + (if_< + aux::has_size<Sequence> + , aux::O1_size_impl<Sequence> + , long_<-1> + >::type::value) + ); +#endif + }; +}; + +# else // BOOST_MSVC + +template< typename Tag > +struct O1_size_impl +{ + template< typename Sequence > struct apply + : long_<-1> + { + }; +}; + +# endif + +}} + +#endif // BOOST_MPL_O1_SIZE_IMPL_HPP_INCLUDED |