mirror of https://github.com/axmolengine/axmol.git
74 lines
2.4 KiB
C++
74 lines
2.4 KiB
C++
/// \file
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// Range v3 library
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//
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// Copyright Andrey Diduh 2019
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//
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// Use, modification and distribution is subject to the
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// Boost Software License, Version 1.0. (See accompanying
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// 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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// Project home: https://github.com/ericniebler/range-v3
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//
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#ifndef RANGES_V3_ACTION_UNSTABLE_REMOVE_IF_HPP
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#define RANGES_V3_ACTION_UNSTABLE_REMOVE_IF_HPP
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#include <utility>
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#include <concepts/concepts.hpp>
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#include <range/v3/range_fwd.hpp>
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#include <range/v3/action/action.hpp>
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#include <range/v3/action/erase.hpp>
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#include <range/v3/algorithm/unstable_remove_if.hpp>
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#include <range/v3/functional/bind_back.hpp>
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#include <range/v3/functional/identity.hpp>
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#include <range/v3/iterator/concepts.hpp>
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#include <range/v3/range/access.hpp>
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#include <range/v3/range/concepts.hpp>
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#include <range/v3/detail/prologue.hpp>
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namespace ranges
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{
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/// \addtogroup group-actions
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/// @{
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namespace actions
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{
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struct unstable_remove_if_fn
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{
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template(typename C, typename P = identity)(
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requires (!range<C>))
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constexpr auto operator()(C pred, P proj = P{}) const
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{
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return make_action_closure(
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bind_back(unstable_remove_if_fn{}, std::move(pred), std::move(proj)));
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}
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template(typename Rng, typename C, typename P = identity)(
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requires bidirectional_range<Rng> AND common_range<Rng> AND
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permutable<iterator_t<Rng>> AND
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indirect_unary_predicate<C, projected<iterator_t<Rng>, P>> AND
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erasable_range<Rng, iterator_t<Rng>, iterator_t<Rng>>)
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Rng operator()(Rng && rng, C pred, P proj = P{}) const
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{
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auto it = ranges::unstable_remove_if(ranges::begin(rng),
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ranges::end(rng),
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std::move(pred),
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std::move(proj));
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ranges::erase(rng, it, ranges::end(rng));
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return static_cast<Rng &&>(rng);
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}
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};
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/// \sa `actions::unstable_remove_if_fn`
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RANGES_INLINE_VARIABLE(unstable_remove_if_fn, unstable_remove_if)
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} // namespace actions
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/// @}
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} // namespace ranges
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#include <range/v3/detail/epilogue.hpp>
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#endif // RANGES_V3_ACTION_UNSTABLE_REMOVE_IF_HPP
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