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Diffstat (limited to '3rdParty/Boost/src/boost/mpl/aux_/empty_impl.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/mpl/aux_/empty_impl.hpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/mpl/aux_/empty_impl.hpp b/3rdParty/Boost/src/boost/mpl/aux_/empty_impl.hpp new file mode 100644 index 0000000..9a553a7 --- /dev/null +++ b/3rdParty/Boost/src/boost/mpl/aux_/empty_impl.hpp @@ -0,0 +1,43 @@ + +#ifndef BOOST_MPL_AUX_EMPTY_IMPL_HPP_INCLUDED +#define BOOST_MPL_AUX_EMPTY_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: empty_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/empty_fwd.hpp> +#include <boost/mpl/begin_end.hpp> +#include <boost/mpl/aux_/traits_lambda_spec.hpp> +#include <boost/type_traits/is_same.hpp> + +namespace boost { namespace mpl { + +// default implementation; conrete sequences might override it by +// specializing either the 'empty_impl' or the primary 'empty' template + +template< typename Tag > +struct empty_impl +{ + template< typename Sequence > struct apply + : is_same< + typename begin<Sequence>::type + , typename end<Sequence>::type + > + { + }; +}; + +BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(1,empty_impl) + +}} + +#endif // BOOST_MPL_AUX_EMPTY_IMPL_HPP_INCLUDED |