Imported Upstream version 1.57.0upstream/1.57.0

1 files changed, 57 insertions, 0 deletions

diff --git a/boost/type_traits/has_trivial_move_constructor.hpp b/boost/type_traits/has_trivial_move_constructor.hpp
new file mode 100644
index 0000000000..a3418340b4
--- /dev/null
+++ b/boost/type_traits/has_trivial_move_constructor.hpp
@@ -0,0 +1,57 @@
+
+//  (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000.
+//  (C) Copyright Eric Friedman 2002-2003.
+//  (C) Copyright Antony Polukhin 2013.
+//  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_MOVE_CONSTRUCTOR_HPP_INCLUDED
+#define BOOST_TT_HAS_TRIVIAL_MOVE_CONSTRUCTOR_HPP_INCLUDED
+
+#include <boost/type_traits/config.hpp>
+#include <boost/type_traits/intrinsics.hpp>
+#include <boost/type_traits/is_pod.hpp>
+#include <boost/type_traits/is_volatile.hpp>
+#include <boost/type_traits/detail/ice_and.hpp>
+#include <boost/type_traits/detail/ice_not.hpp>
+
+// should be the last #include
+#include <boost/type_traits/detail/bool_trait_def.hpp>
+
+namespace boost {
+
+namespace detail {
+
+template <typename T>
+struct has_trivial_move_ctor_impl
+{
+#ifdef BOOST_HAS_TRIVIAL_MOVE_CONSTRUCTOR
+   BOOST_STATIC_CONSTANT(bool, value = (BOOST_HAS_TRIVIAL_MOVE_CONSTRUCTOR(T)));
+#else
+   BOOST_STATIC_CONSTANT(bool, value =
+           (::boost::type_traits::ice_and<
+              ::boost::is_pod<T>::value,
+              ::boost::type_traits::ice_not< ::boost::is_volatile<T>::value >::value
+           >::value));
+#endif
+};
+
+} // namespace detail
+
+BOOST_TT_AUX_BOOL_TRAIT_DEF1(has_trivial_move_constructor,T,::boost::detail::has_trivial_move_ctor_impl<T>::value)
+
+BOOST_TT_AUX_BOOL_TRAIT_SPEC1(has_trivial_move_constructor,void,false)
+#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
+BOOST_TT_AUX_BOOL_TRAIT_SPEC1(has_trivial_move_constructor,void const,false)
+BOOST_TT_AUX_BOOL_TRAIT_SPEC1(has_trivial_move_constructor,void const volatile,false)
+BOOST_TT_AUX_BOOL_TRAIT_SPEC1(has_trivial_move_constructor,void volatile,false)
+#endif
+
+} // namespace boost
+
+#include <boost/type_traits/detail/bool_trait_undef.hpp>
+
+#endif // BOOST_TT_HAS_TRIVIAL_MOVE_CONSTRUCTOR_HPP_INCLUDED