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// (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_HAS_TRIVIAL_COPY_HPP_INCLUDED
#define BOOST_TT_HAS_TRIVIAL_COPY_HPP_INCLUDED
#include <cstddef> // size_t
#include <boost/type_traits/intrinsics.hpp>
#include <boost/type_traits/is_pod.hpp>
#include <boost/type_traits/is_reference.hpp>
#if (defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ >= 409)) || defined(BOOST_CLANG) || (defined(__SUNPRO_CC) && defined(BOOST_HAS_TRIVIAL_COPY))
#include <boost/type_traits/is_copy_constructible.hpp>
#define BOOST_TT_TRIVIAL_CONSTRUCT_FIX && is_copy_constructible<T>::value
#else
#define BOOST_TT_TRIVIAL_CONSTRUCT_FIX
#endif
#ifdef BOOST_INTEL
#include <boost/type_traits/add_const.hpp>
#include <boost/type_traits/add_lvalue_reference.hpp>
#endif
namespace boost {
template <typename T> struct has_trivial_copy
: public integral_constant<bool,
#ifdef BOOST_HAS_TRIVIAL_COPY
BOOST_HAS_TRIVIAL_COPY(T) BOOST_TT_TRIVIAL_CONSTRUCT_FIX
#else
::boost::is_pod<T>::value
#endif
>{};
// Arrays are not explicitly copyable:
template <typename T, std::size_t N> struct has_trivial_copy<T[N]> : public false_type{};
template <typename T> struct has_trivial_copy<T[]> : public false_type{};
// Are volatile types ever trivial? We don't really know, so assume not:
template <typename T> struct has_trivial_copy<T volatile> : public false_type{};
template <> struct has_trivial_copy<void> : public false_type{};
#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
template <> struct has_trivial_copy<void const> : public false_type{};
template <> struct has_trivial_copy<void volatile> : public false_type{};
template <> struct has_trivial_copy<void const volatile> : public false_type{};
#endif
template <class T> struct has_trivial_copy<T&> : public false_type{};
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
template <class T> struct has_trivial_copy<T&&> : public false_type{};
#endif
template <class T> struct has_trivial_copy_constructor : public has_trivial_copy<T>{};
#undef BOOST_TT_TRIVIAL_CONSTRUCT_FIX
} // namespace boost
#endif // BOOST_TT_HAS_TRIVIAL_COPY_HPP_INCLUDED
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