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Diffstat (limited to '3rdParty/Boost/src/boost/multi_index/detail/prevent_eti.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/multi_index/detail/prevent_eti.hpp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/multi_index/detail/prevent_eti.hpp b/3rdParty/Boost/src/boost/multi_index/detail/prevent_eti.hpp new file mode 100644 index 0000000..56c067a --- /dev/null +++ b/3rdParty/Boost/src/boost/multi_index/detail/prevent_eti.hpp @@ -0,0 +1,60 @@ +/* Copyright 2003-2008 Joaquin M Lopez Munoz. + * 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/multi_index for library home page. + */ + +#ifndef BOOST_MULTI_INDEX_DETAIL_PREVENT_ETI_HPP +#define BOOST_MULTI_INDEX_DETAIL_PREVENT_ETI_HPP + +#if defined(_MSC_VER)&&(_MSC_VER>=1200) +#pragma once +#endif + +#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */ +#include <boost/detail/workaround.hpp> + +#if BOOST_WORKAROUND(BOOST_MSVC,<1300) +#include <boost/mpl/if.hpp> +#include <boost/mpl/integral_c.hpp> +#include <boost/mpl/aux_/msvc_never_true.hpp> +#endif + +namespace boost{ + +namespace multi_index{ + +namespace detail{ + +#if BOOST_WORKAROUND(BOOST_MSVC,<1300) +/* See + * http://www.crystalclearsoftware.com/cgi-bin/boost_wiki/wiki.pl?Effective_MPL + * Item 5.6, Beware of the 'early template instantiation' trap. + */ + +template<typename Type,typename Construct> +struct prevent_eti +{ + typedef typename mpl::if_< + mpl::aux::msvc_never_true<Type>, + mpl::integral_c<int,0>, + Construct + >::type type; +}; +#else +template<typename Type,typename Construct> +struct prevent_eti +{ + typedef Construct type; +}; +#endif + +} /* namespace multi_index::detail */ + +} /* namespace multi_index */ + +} /* namespace boost */ + +#endif |