mirror of https://github.com/axmolengine/axmol.git
75 lines
2.3 KiB
C++
75 lines
2.3 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_REMOVE_HPP
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#define RANGES_V3_ACTION_REMOVE_HPP
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#include <meta/meta.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/remove.hpp>
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#include <range/v3/functional/bind_back.hpp>
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#include <range/v3/range/concepts.hpp>
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#include <range/v3/range/traits.hpp>
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#include <range/v3/utility/static_const.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 remove_fn
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{
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template(typename V, typename P)(
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requires (!range<V>))
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constexpr auto operator()(V && value, P proj) const
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{
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return make_action_closure(
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bind_back(remove_fn{}, static_cast<V &&>(value), std::move(proj)));
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}
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template<typename V>
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constexpr auto operator()(V && value) const
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{
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return make_action_closure(
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bind_back(remove_fn{}, static_cast<V &&>(value), identity{}));
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}
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template(typename Rng, typename V, typename P = identity)(
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requires forward_range<Rng> AND permutable<iterator_t<Rng>> AND
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erasable_range<Rng, iterator_t<Rng>, sentinel_t<Rng>> AND
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indirect_relation<equal_to, projected<iterator_t<Rng>, P>,
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V const *>)
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Rng operator()(Rng && rng, V const & value, P proj = {}) const
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{
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auto it = ranges::remove(rng, value, 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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/// \relates actions::remove_fn
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RANGES_INLINE_VARIABLE(remove_fn, remove)
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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
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