[ceph.git] / ceph / src / boost / libs / detail / include / boost / detail / has_default_constructor.hpp


//  (C) Copyright Matthias Troyerk 2006.
//  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_DETAIL_HAS_DEFAULT_CONSTRUCTOR_HPP_INCLUDED
#define BOOST_DETAIL_HAS_DEFAULT_CONSTRUCTOR_HPP_INCLUDED

#include <boost/type_traits/has_trivial_constructor.hpp>

namespace boost { namespace detail {

/// type trait to check for a default constructor
///
/// The default implementation just checks for a trivial constructor.
/// Using some compiler magic it might be possible to provide a better default

template <class T>
struct has_default_constructor
 : public has_trivial_constructor<T>
{};

} } // namespace boost::detail


#endif // BOOST_DETAIL_HAS_DEFAULT_CONSTRUCTOR_HPP_INCLUDED
Commit	Line	Data
7c673cae FG	1
	2	// (C) Copyright Matthias Troyerk 2006.
	3	// Use, modification and distribution are subject to the Boost Software License,
	4	// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
	5	// http://www.boost.org/LICENSE_1_0.txt).
	6	//
	7	// See http://www.boost.org/libs/type_traits for most recent version including documentation.
	8
	9	#ifndef BOOST_DETAIL_HAS_DEFAULT_CONSTRUCTOR_HPP_INCLUDED
	10	#define BOOST_DETAIL_HAS_DEFAULT_CONSTRUCTOR_HPP_INCLUDED
	11
	12	#include <boost/type_traits/has_trivial_constructor.hpp>
	13
	14	namespace boost { namespace detail {
	15
	16	/// type trait to check for a default constructor
	17	///
	18	/// The default implementation just checks for a trivial constructor.
	19	/// Using some compiler magic it might be possible to provide a better default
	20
	21	template <class T>
	22	struct has_default_constructor
	23	: public has_trivial_constructor<T>
	24	{};
	25
	26	} } // namespace boost::detail
	27
	28
	29	#endif // BOOST_DETAIL_HAS_DEFAULT_CONSTRUCTOR_HPP_INCLUDED