1 files changed, 48 insertions, 0 deletions
diff --git a/boost/type_traits/is_list_constructible.hpp b/boost/type_traits/is_list_constructible.hpp
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+++ b/boost/type_traits/is_list_constructible.hpp
@@ -0,0 +1,48 @@
+#ifndef BOOST_TYPE_TRAITS_IS_LIST_CONSTRUCTIBLE_HPP_INCLUDED
+#define BOOST_TYPE_TRAITS_IS_LIST_CONSTRUCTIBLE_HPP_INCLUDED
+
+//  Copyright 2017 Peter Dimov
+//
+//  Distributed under 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
+
+#include <boost/config.hpp>
+#include <boost/config/workaround.hpp>
+#include <boost/type_traits/integral_constant.hpp>
+#include <boost/type_traits/declval.hpp>
+#include <boost/type_traits/is_complete.hpp>
+#include <boost/static_assert.hpp>
+
+namespace boost
+{
+
+#if defined(BOOST_NO_SFINAE_EXPR) || defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) || defined(BOOST_NO_CXX11_DECLTYPE) \
+   || defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX) || defined(BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS)\
+   || BOOST_WORKAROUND(BOOST_GCC, < 40700)
+
+template<class T, class = void, class = void, class = void, class = void, class = void, class = void> struct is_list_constructible: false_type
+{
+   BOOST_STATIC_ASSERT_MSG(boost::is_complete<T>::value, "Arguments to is_list_constructible must be complete types");
+};
+
+#else
+
+namespace type_traits_detail
+{
+
+template<class T, class... A, class = decltype( T{declval<A>()...} )> true_type is_list_constructible_impl( int );
+template<class T, class... A> false_type is_list_constructible_impl( ... );
+
+} // namespace type_traits_detail
+
+template<class T, class... A> struct is_list_constructible: decltype( type_traits_detail::is_list_constructible_impl<T, A...>(0) )
+{
+   BOOST_STATIC_ASSERT_MSG(boost::is_complete<T>::value, "Arguments to is_list_constructible must be complete types");
+};
+
+#endif
+
+} // namespace boost
+
+#endif // #ifndef BOOST_TYPE_TRAITS_IS_LIST_CONSTRUCTIBLE_HPP_INCLUDED