106 lines
4.6 KiB
C++
106 lines
4.6 KiB
C++
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/* Copyright 2023 Christian Mazakas.
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* Copyright 2023 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 https://www.boost.org/libs/unordered for library home page.
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*/
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#ifndef BOOST_UNORDERED_DETAIL_CONCURRENT_STATIC_ASSERTS_HPP
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#define BOOST_UNORDERED_DETAIL_CONCURRENT_STATIC_ASSERTS_HPP
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#include <boost/config.hpp>
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#include <boost/mp11/algorithm.hpp>
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#include <boost/mp11/list.hpp>
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#include <functional>
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#include <iterator>
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#include <type_traits>
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#define BOOST_UNORDERED_STATIC_ASSERT_INVOCABLE(F) \
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static_assert(boost::unordered::detail::is_invocable<F, value_type&>::value, \
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"The provided Callable must be invocable with value_type&");
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#define BOOST_UNORDERED_STATIC_ASSERT_CONST_INVOCABLE(F) \
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static_assert( \
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boost::unordered::detail::is_invocable<F, value_type const&>::value, \
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"The provided Callable must be invocable with value_type const&");
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#if BOOST_CXX_VERSION >= 202002L
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#define BOOST_UNORDERED_STATIC_ASSERT_EXEC_POLICY(P) \
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static_assert(!std::is_base_of<std::execution::parallel_unsequenced_policy, \
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ExecPolicy>::value, \
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"ExecPolicy must be sequenced."); \
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static_assert( \
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!std::is_base_of<std::execution::unsequenced_policy, ExecPolicy>::value, \
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"ExecPolicy must be sequenced.");
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#else
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#define BOOST_UNORDERED_STATIC_ASSERT_EXEC_POLICY(P) \
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static_assert(!std::is_base_of<std::execution::parallel_unsequenced_policy, \
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ExecPolicy>::value, \
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"ExecPolicy must be sequenced.");
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#endif
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#define BOOST_UNORDERED_DETAIL_COMMA ,
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#define BOOST_UNORDERED_DETAIL_LAST_ARG(Arg, Args) \
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mp11::mp_back<mp11::mp_list<Arg BOOST_UNORDERED_DETAIL_COMMA Args> >
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#define BOOST_UNORDERED_STATIC_ASSERT_LAST_ARG_INVOCABLE(Arg, Args) \
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BOOST_UNORDERED_STATIC_ASSERT_INVOCABLE( \
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BOOST_UNORDERED_DETAIL_LAST_ARG(Arg, Args))
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#define BOOST_UNORDERED_STATIC_ASSERT_LAST_ARG_CONST_INVOCABLE(Arg, Args) \
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BOOST_UNORDERED_STATIC_ASSERT_CONST_INVOCABLE( \
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BOOST_UNORDERED_DETAIL_LAST_ARG(Arg, Args))
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namespace boost {
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namespace unordered {
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namespace detail {
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template <class F, class... Args>
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struct is_invocable
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: std::is_constructible<std::function<void(Args...)>,
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std::reference_wrapper<typename std::remove_reference<F>::type> >
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{
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};
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} // namespace detail
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} // namespace unordered
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} // namespace boost
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#if defined(BOOST_NO_CXX20_HDR_CONCEPTS)
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#define BOOST_UNORDERED_STATIC_ASSERT_FWD_ITERATOR(Iterator) \
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static_assert( \
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std::is_base_of< \
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std::forward_iterator_tag, \
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typename std::iterator_traits<Iterator>::iterator_category>::value, \
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"The provided iterator must be at least forward");
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#else
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#define BOOST_UNORDERED_STATIC_ASSERT_FWD_ITERATOR(Iterator) \
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static_assert(std::forward_iterator<Iterator>, \
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"The provided iterator must be at least forward");
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#endif
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#define BOOST_UNORDERED_STATIC_ASSERT_KEY_COMPATIBLE_ITERATOR(Iterator) \
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static_assert( \
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std::is_same< \
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typename std::iterator_traits<Iterator>::value_type, \
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key_type>::value || \
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detail::are_transparent< \
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typename std::iterator_traits<Iterator>::value_type, \
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hasher, key_equal>::value, \
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"The provided iterator must dereference to a compatible key value");
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#define BOOST_UNORDERED_STATIC_ASSERT_BULK_VISIT_ITERATOR(Iterator) \
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BOOST_UNORDERED_STATIC_ASSERT_FWD_ITERATOR(Iterator) \
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BOOST_UNORDERED_STATIC_ASSERT_KEY_COMPATIBLE_ITERATOR(Iterator)
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#endif // BOOST_UNORDERED_DETAIL_CONCURRENT_STATIC_ASSERTS_HPP
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