27 lines
916 B
Plaintext
27 lines
916 B
Plaintext
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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/type_traits/integral_constant.hpp>
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namespace boost {
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template <class T>
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struct is_void : public false_type {};
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template<> struct is_void<void> : public true_type {};
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template<> struct is_void<const void> : public true_type{};
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template<> struct is_void<const volatile void> : public true_type{};
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template<> struct is_void<volatile void> : public true_type{};
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} // namespace boost
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#endif // BOOST_TT_IS_VOID_HPP_INCLUDED
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