48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
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// (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, Howard
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// Hinnant & John Maddock 2000.
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// Use, modification and distribution are subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt).
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//
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// See http://www.boost.org/libs/type_traits for most recent version including documentation.
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#ifndef BOOST_TT_ADD_CONST_HPP_INCLUDED
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#define BOOST_TT_ADD_CONST_HPP_INCLUDED
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#include <boost/config.hpp>
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// should be the last #include
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#include <boost/type_traits/detail/type_trait_def.hpp>
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namespace boost {
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// * convert a type T to const type - add_const<T>
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// this is not required since the result is always
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// the same as "T const", but it does suppress warnings
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// from some compilers:
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#if defined(BOOST_MSVC)
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// This bogus warning will appear when add_const is applied to a
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// const volatile reference because we can't detect const volatile
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// references with MSVC6.
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# pragma warning(push)
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# pragma warning(disable:4181) // warning C4181: qualifier applied to reference type ignored
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#endif
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BOOST_TT_AUX_TYPE_TRAIT_DEF1(add_const,T,T const)
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#if defined(BOOST_MSVC)
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# pragma warning(pop)
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#endif
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#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,add_const,T&,T&)
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#endif
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} // namespace boost
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#include <boost/type_traits/detail/type_trait_undef.hpp>
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#endif // BOOST_TT_ADD_CONST_HPP_INCLUDED
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