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Diffstat (limited to '3rdParty/Boost/src/boost/mpl/aux_/push_back_impl.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/mpl/aux_/push_back_impl.hpp | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/mpl/aux_/push_back_impl.hpp b/3rdParty/Boost/src/boost/mpl/aux_/push_back_impl.hpp new file mode 100644 index 0000000..2f839cb --- /dev/null +++ b/3rdParty/Boost/src/boost/mpl/aux_/push_back_impl.hpp @@ -0,0 +1,70 @@ + +#ifndef BOOST_MPL_AUX_PUSH_BACK_IMPL_HPP_INCLUDED +#define BOOST_MPL_AUX_PUSH_BACK_IMPL_HPP_INCLUDED + +// Copyright Aleksey Gurtovoy 2000-2008 +// +// 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: push_back_impl.hpp 55679 2009-08-20 07:50:16Z agurtovoy $ +// $Date: 2009-08-20 03:50:16 -0400 (Thu, 20 Aug 2009) $ +// $Revision: 55679 $ + +#include <boost/mpl/push_back_fwd.hpp> +#include <boost/mpl/assert.hpp> +#include <boost/mpl/aux_/has_type.hpp> +#include <boost/mpl/aux_/traits_lambda_spec.hpp> +#include <boost/mpl/aux_/config/forwarding.hpp> +#include <boost/mpl/aux_/config/static_constant.hpp> + +#include <boost/type_traits/is_same.hpp> + +namespace boost { namespace mpl { + +struct has_push_back_arg {}; + +// agurt 05/feb/04: no default implementation; the stub definition is needed +// to enable the default 'has_push_back' implementation below +template< typename Tag > +struct push_back_impl +{ + template< typename Sequence, typename T > struct apply + { + // should be instantiated only in the context of 'has_push_back_impl'; + // if you've got an assert here, you are requesting a 'push_back' + // specialization that doesn't exist. + BOOST_MPL_ASSERT_MSG( + ( boost::is_same< T, has_push_back_arg >::value ) + , REQUESTED_PUSH_BACK_SPECIALIZATION_FOR_SEQUENCE_DOES_NOT_EXIST + , ( Sequence ) + ); + }; +}; + +template< typename Tag > +struct has_push_back_impl +{ + template< typename Seq > struct apply +#if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING) + : aux::has_type< push_back< Seq, has_push_back_arg > > + { +#else + { + typedef aux::has_type< push_back< Seq, has_push_back_arg > > type; + BOOST_STATIC_CONSTANT(bool, value = + (aux::has_type< push_back< Seq, has_push_back_arg > >::value) + ); +#endif + }; +}; + +BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(2, push_back_impl) +BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(1, has_push_back_impl) + +}} + +#endif // BOOST_MPL_AUX_PUSH_BACK_IMPL_HPP_INCLUDED |