39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
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// (C) Copyright Steve Cleary, Beman Dawes, Howard 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_IS_VOID_HPP_INCLUDED
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#define BOOST_TT_IS_VOID_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/bool_trait_def.hpp>
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namespace boost {
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//* is a type T void - is_void<T>
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#if defined( __CODEGEARC__ )
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BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_void,T,__is_void(T))
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#else
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BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_void,T,false)
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BOOST_TT_AUX_BOOL_TRAIT_SPEC1(is_void,void,true)
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#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
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BOOST_TT_AUX_BOOL_TRAIT_SPEC1(is_void,void const,true)
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BOOST_TT_AUX_BOOL_TRAIT_SPEC1(is_void,void volatile,true)
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BOOST_TT_AUX_BOOL_TRAIT_SPEC1(is_void,void const volatile,true)
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#endif
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#endif // non-CodeGear implementation
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} // namespace boost
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#include <boost/type_traits/detail/bool_trait_undef.hpp>
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#endif // BOOST_TT_IS_VOID_HPP_INCLUDED
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