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