/* Copyright 2016-2017 Joaquin M Lopez Munoz.
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*
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* See http://www.boost.org/libs/poly_collection for library home page.
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*/
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#ifndef BOOST_POLY_COLLECTION_DETAIL_IS_ACCEPTABLE_HPP
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#define BOOST_POLY_COLLECTION_DETAIL_IS_ACCEPTABLE_HPP
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#if defined(_MSC_VER)
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#pragma once
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#endif
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#include <type_traits>
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namespace boost{
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namespace poly_collection{
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namespace detail{
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/* This can be further specialized by Model when the std type trait classes
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* fail to give the right info (as it can happen with class templates whose
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* nominally existing operators do not compile for certain instantiations).
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*/
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template<typename T,typename Model,typename=void>
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struct is_acceptable:std::integral_constant<
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bool,
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Model::template is_implementation<T>::value&&
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std::is_move_constructible<typename std::decay<T>::type>::value&&
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(std::is_move_assignable<typename std::decay<T>::type>::value||
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std::is_nothrow_move_constructible<typename std::decay<T>::type>::value)
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>{};
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} /* namespace poly_collection::detail */
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} /* namespace poly_collection */
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} /* namespace boost */
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#endif
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