/* * Distributed under the Boost Software License, Version 1.0. * (See accompanying file LICENSE_1_0.txt or copy at * https://www.boost.org/LICENSE_1_0.txt) * * Copyright (c) 2023 Andrey Semashev */ /*! * \file scope/detail/is_not_like.hpp * * This header contains definition of \c is_not_like type trait. */ #ifndef BOOST_SCOPE_DETAIL_IS_NOT_LIKE_HPP_INCLUDED_ #define BOOST_SCOPE_DETAIL_IS_NOT_LIKE_HPP_INCLUDED_ #include #include #include #ifdef BOOST_HAS_PRAGMA_ONCE #pragma once #endif namespace boost { namespace scope { namespace detail { //! The type trait checks if \c T is not a possibly cv-reference-qualified specialization of \c Template template< typename T, template< typename... > class Template > struct is_not_like : public std::true_type { }; template< typename T, template< typename... > class Template > struct is_not_like< T&, Template > : public is_not_like< T, Template > { }; template< template< typename... > class Template, typename... Ts > struct is_not_like< Template< Ts... >, Template > : public std::false_type { }; template< template< typename... > class Template, typename... Ts > struct is_not_like< const Template< Ts... >, Template > : public std::false_type { }; template< template< typename... > class Template, typename... Ts > struct is_not_like< volatile Template< Ts... >, Template > : public std::false_type { }; template< template< typename... > class Template, typename... Ts > struct is_not_like< const volatile Template< Ts... >, Template > : public std::false_type { }; } // namespace detail } // namespace scope } // namespace boost #include #endif // BOOST_SCOPE_DETAIL_IS_NOT_LIKE_HPP_INCLUDED_