50 lines
1.7 KiB
C++
50 lines
1.7 KiB
C++
/*
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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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* https://www.boost.org/LICENSE_1_0.txt)
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*
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* Copyright (c) 2023 Andrey Semashev
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*/
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/*!
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* \file scope/detail/is_not_like.hpp
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*
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* This header contains definition of \c is_not_like type trait.
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*/
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#ifndef BOOST_SCOPE_DETAIL_IS_NOT_LIKE_HPP_INCLUDED_
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#define BOOST_SCOPE_DETAIL_IS_NOT_LIKE_HPP_INCLUDED_
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#include <type_traits>
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#include <boost/scope/detail/config.hpp>
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#include <boost/scope/detail/header.hpp>
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#ifdef BOOST_HAS_PRAGMA_ONCE
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#pragma once
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#endif
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namespace boost {
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namespace scope {
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namespace detail {
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//! The type trait checks if \c T is not a possibly cv-reference-qualified specialization of \c Template
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template< typename T, template< typename... > class Template >
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struct is_not_like : public std::true_type { };
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template< typename T, template< typename... > class Template >
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struct is_not_like< T&, Template > : public is_not_like< T, Template > { };
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template< template< typename... > class Template, typename... Ts >
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struct is_not_like< Template< Ts... >, Template > : public std::false_type { };
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template< template< typename... > class Template, typename... Ts >
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struct is_not_like< const Template< Ts... >, Template > : public std::false_type { };
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template< template< typename... > class Template, typename... Ts >
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struct is_not_like< volatile Template< Ts... >, Template > : public std::false_type { };
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template< template< typename... > class Template, typename... Ts >
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struct is_not_like< const volatile Template< Ts... >, Template > : public std::false_type { };
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} // namespace detail
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} // namespace scope
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} // namespace boost
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#include <boost/scope/detail/footer.hpp>
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#endif // BOOST_SCOPE_DETAIL_IS_NOT_LIKE_HPP_INCLUDED_
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