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author | Henrik Edin <henrik.edin@mongodb.com> | 2018-12-13 11:44:21 -0500 |
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committer | Henrik Edin <henrik.edin@mongodb.com> | 2018-12-18 09:12:51 -0500 |
commit | c28cb6852fca219d6f0262000c378e982b7ca9ff (patch) | |
tree | e06e74d1729e644db7c4dc2e5ecd529145b2f34c /src/third_party/boost-1.69.0/boost/mpl/aux_/push_front_impl.hpp | |
parent | 05ebfef11161b96ba0e8374f34c359a403097f60 (diff) | |
download | mongo-c28cb6852fca219d6f0262000c378e982b7ca9ff.tar.gz |
SERVER-38458 Upgrade boost to version 1.69
Diffstat (limited to 'src/third_party/boost-1.69.0/boost/mpl/aux_/push_front_impl.hpp')
-rw-r--r-- | src/third_party/boost-1.69.0/boost/mpl/aux_/push_front_impl.hpp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/third_party/boost-1.69.0/boost/mpl/aux_/push_front_impl.hpp b/src/third_party/boost-1.69.0/boost/mpl/aux_/push_front_impl.hpp new file mode 100644 index 00000000000..5b83ee76454 --- /dev/null +++ b/src/third_party/boost-1.69.0/boost/mpl/aux_/push_front_impl.hpp @@ -0,0 +1,71 @@ + +#ifndef BOOST_MPL_AUX_PUSH_FRONT_IMPL_HPP_INCLUDED +#define BOOST_MPL_AUX_PUSH_FRONT_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. + +// $Id$ +// $Date$ +// $Revision$ + +#include <boost/mpl/push_front_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_front_arg {}; + +// agurt 05/feb/04: no default implementation; the stub definition is needed +// to enable the default 'has_push_front' implementation below + +template< typename Tag > +struct push_front_impl +{ + template< typename Sequence, typename T > struct apply + { + // should be instantiated only in the context of 'has_push_front_impl'; + // if you've got an assert here, you are requesting a 'push_front' + // specialization that doesn't exist. + BOOST_MPL_ASSERT_MSG( + ( boost::is_same< T, has_push_front_arg >::value ) + , REQUESTED_PUSH_FRONT_SPECIALIZATION_FOR_SEQUENCE_DOES_NOT_EXIST + , ( Sequence ) + ); + }; +}; + +template< typename Tag > +struct has_push_front_impl +{ + template< typename Seq > struct apply +#if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING) + : aux::has_type< push_front< Seq, has_push_front_arg > > + { +#else + { + typedef aux::has_type< push_front< Seq, has_push_front_arg > > type; + BOOST_STATIC_CONSTANT(bool, value = + (aux::has_type< push_front< Seq, has_push_front_arg > >::value) + ); +#endif + }; +}; + +BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(2, push_front_impl) +BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(1, has_push_front_impl) + +}} + +#endif // BOOST_MPL_AUX_PUSH_FRONT_IMPL_HPP_INCLUDED |