diff options
Diffstat (limited to '3rdParty/Boost/boost/type_traits/add_reference.hpp')
-rw-r--r-- | 3rdParty/Boost/boost/type_traits/add_reference.hpp | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/3rdParty/Boost/boost/type_traits/add_reference.hpp b/3rdParty/Boost/boost/type_traits/add_reference.hpp new file mode 100644 index 0000000..7dfb4be --- /dev/null +++ b/3rdParty/Boost/boost/type_traits/add_reference.hpp @@ -0,0 +1,89 @@ + +// (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000. +// Use, modification and distribution are subject to 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/type_traits for most recent version including documentation. + +#ifndef BOOST_TT_ADD_REFERENCE_HPP_INCLUDED +#define BOOST_TT_ADD_REFERENCE_HPP_INCLUDED + +#include <boost/type_traits/is_reference.hpp> +#include <boost/detail/workaround.hpp> +#include <boost/config.hpp> + +// should be the last #include +#include <boost/type_traits/detail/type_trait_def.hpp> + +namespace boost { + +namespace detail { + +#if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && defined(BOOST_MSVC6_MEMBER_TEMPLATES) + +template <bool x> +struct reference_adder +{ + template <typename T> struct result_ + { + typedef T& type; + }; +}; + +template <> +struct reference_adder<true> +{ + template <typename T> struct result_ + { + typedef T type; + }; +}; + +template <typename T> +struct add_reference_impl +{ + typedef typename reference_adder< + ::boost::is_reference<T>::value + >::template result_<T> result; + + typedef typename result::type type; +}; + +#else + +template <typename T> +struct add_reference_impl +{ + typedef T& type; +}; + +#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION +BOOST_TT_AUX_TYPE_TRAIT_IMPL_PARTIAL_SPEC1_1(typename T,add_reference,T&,T&) +#endif + +#endif + +// these full specialisations are always required: +BOOST_TT_AUX_TYPE_TRAIT_IMPL_SPEC1(add_reference,void,void) +#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS +BOOST_TT_AUX_TYPE_TRAIT_IMPL_SPEC1(add_reference,void const,void const) +BOOST_TT_AUX_TYPE_TRAIT_IMPL_SPEC1(add_reference,void volatile,void volatile) +BOOST_TT_AUX_TYPE_TRAIT_IMPL_SPEC1(add_reference,void const volatile,void const volatile) +#endif + +} // namespace detail + +BOOST_TT_AUX_TYPE_TRAIT_DEF1(add_reference,T,typename boost::detail::add_reference_impl<T>::type) + +// agurt, 07/mar/03: workaround Borland's ill-formed sensitivity to an additional +// level of indirection, here +#if BOOST_WORKAROUND(__BORLANDC__, < 0x600) +BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,add_reference,T&,T&) +#endif + +} // namespace boost + +#include <boost/type_traits/detail/type_trait_undef.hpp> + +#endif // BOOST_TT_ADD_REFERENCE_HPP_INCLUDED |