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56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
/// \file
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// Range v3 library
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//
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// Copyright Eric Niebler 2013-present
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// Copyright Gonzalo Brito Gadeschi 2017
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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_REVERSE_HPP
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#define RANGES_V3_ACTION_REVERSE_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/algorithm/reverse.hpp>
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#include <range/v3/iterator/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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/// Reversed the source range in-place.
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struct reverse_fn
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{
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template(typename Rng)(
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requires bidirectional_range<Rng> AND permutable<iterator_t<Rng>>)
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Rng operator()(Rng && rng) const
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{
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ranges::reverse(rng);
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return static_cast<Rng &&>(rng);
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}
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};
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/// \relates actions::reverse_fn
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/// \sa action_closure
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RANGES_INLINE_VARIABLE(action_closure<reverse_fn>, reverse)
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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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